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Blazejewski, Adam. "Computational Models for Stock Market Order Submissions." Engineering, 2006. http://hdl.handle.net/2123/923.
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Doctor of PhilosophyThe motivation for the research presented in this thesis stems from the recent availability of high frequency limit order book data, relative scarcity of studies employing such data, economic significance of transaction costs management, and a perceived potential of data mining for uncovering patterns and relationships not identified by the traditional top-down modelling approach. We analyse and build computational models for order submissions on the Australian Stock Exchange, an order-driven market with a public electronic limit order book. The focus of the thesis is on the trade implementation problem faced by a trader who wants to transact a buy or sell order of a certain size. We use two approaches to build our models, top-down and bottom-up. The traditional, top-down approach is applied to develop an optimal order submission plan for an order which is too large to be traded immediately without a prohibitive price impact. We present an optimisation framework and some solutions for non-stationary and non-linear price impact and price impact risk. We find that our proposed transaction costs model produces fairly good forecasts of the variance of the execution shortfall. The second, bottom-up, or data mining, approach is employed for trade sign inference, where trade sign is defined as the side which initiates both a trade and the market order that triggered the trade. We are interested in an endogenous component of the order flow, as evidenced by the predictable relationship between trade sign and the variables used to infer it. We want to discover the rules which govern the trade sign, and establish a connection between them and two empirically observed regularities in market order submissions, competition for order execution and transaction cost minimisation. To achieve the above aims we first use exploratory analysis of trade and limit order book data. In particular, we conduct unsupervised clustering with the self-organising map technique. The visualisation of the transformed data reveals that buyer-initiated and seller-initiated trades form two distinct clusters. We then propose a local non-parametric trade sign inference model based on the k-nearest-neighbour classifier. The best k-nearest-neighbour classifier constructed by us requires only three predictor variables and achieves an average out-of-sample accuracy of 71.40% (SD=4.01%)1, across all of the tested stocks. The best set of predictor variables found for the non-parametric model is subsequently used to develop a piecewise linear trade sign model. That model proves superior to the k-nearest-neighbour classifier, and achieves an average out-of-sample classification accuracy of 74.38% (SD=4.25%). The result is statistically significant, after adjusting for multiple comparisons. The overall classification performance of the piecewise linear model indicates a strong dependence between trade sign and the three predictor variables, and provides evidence for the endogenous component in the order flow. Moreover, the rules for trade sign classification derived from the structure of the piecewise linear model reflect the two regularities observed in market order submissions, competition for order execution and transaction cost minimisation, and offer new insights into the relationship between them. The obtained results confirm the applicability and relevance of data mining for the analysis and modelling of stock market order submissions.
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Blazejewski, Adam. "Computational Models for Stock Market Order Submissions." Thesis, The University of Sydney, 2005. http://hdl.handle.net/2123/923.
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The motivation for the research presented in this thesis stems from the recent availability of high frequency limit order book data, relative scarcity of studies employing such data, economic significance of transaction costs management, and a perceived potential of data mining for uncovering patterns and relationships not identified by the traditional top-down modelling approach. We analyse and build computational models for order submissions on the Australian Stock Exchange, an order-driven market with a public electronic limit order book. The focus of the thesis is on the trade implementation problem faced by a trader who wants to transact a buy or sell order of a certain size. We use two approaches to build our models, top-down and bottom-up. The traditional, top-down approach is applied to develop an optimal order submission plan for an order which is too large to be traded immediately without a prohibitive price impact. We present an optimisation framework and some solutions for non-stationary and non-linear price impact and price impact risk. We find that our proposed transaction costs model produces fairly good forecasts of the variance of the execution shortfall. The second, bottom-up, or data mining, approach is employed for trade sign inference, where trade sign is defined as the side which initiates both a trade and the market order that triggered the trade. We are interested in an endogenous component of the order flow, as evidenced by the predictable relationship between trade sign and the variables used to infer it. We want to discover the rules which govern the trade sign, and establish a connection between them and two empirically observed regularities in market order submissions, competition for order execution and transaction cost minimisation. To achieve the above aims we first use exploratory analysis of trade and limit order book data. In particular, we conduct unsupervised clustering with the self-organising map technique. The visualisation of the transformed data reveals that buyer-initiated and seller-initiated trades form two distinct clusters. We then propose a local non-parametric trade sign inference model based on the k-nearest-neighbour classifier. The best k-nearest-neighbour classifier constructed by us requires only three predictor variables and achieves an average out-of-sample accuracy of 71.40% (SD=4.01%)1, across all of the tested stocks. The best set of predictor variables found for the non-parametric model is subsequently used to develop a piecewise linear trade sign model. That model proves superior to the k-nearest-neighbour classifier, and achieves an average out-of-sample classification accuracy of 74.38% (SD=4.25%). The result is statistically significant, after adjusting for multiple comparisons. The overall classification performance of the piecewise linear model indicates a strong dependence between trade sign and the three predictor variables, and provides evidence for the endogenous component in the order flow. Moreover, the rules for trade sign classification derived from the structure of the piecewise linear model reflect the two regularities observed in market order submissions, competition for order execution and transaction cost minimisation, and offer new insights into the relationship between them. The obtained results confirm the applicability and relevance of data mining for the analysis and modelling of stock market order submissions.
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Hu, Robert. "Optimal Order Execution using Stochastic Control and Reinforcement Learning." Thesis, KTH, Matematisk statistik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-192211.
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In this thesis an attempt is made to find the optimal order execution policy that maximizes the reward from trading financial instruments. The optimal policies are found us-ing a Markov Decision Process that is build using a state space model and the Bellman equation. Since there is not an explicit formula for state space dynamics, simulations on historical data are made instead to find the state transition probabilities and the rewards associated with each state and control. The optimal policy is then generated from the Bellman equation and tested against naive policies on out-of-sample data. This thesis also attempts to model the notion of market impact and test whether the Markov Deci-sion Process is still viable under the imposed assumptions. Lastly, there is also an attempt to estimate the value func-tion using various techniques from Reinforcement Learning. It turns out that naive strategies are superior when market impact is not present and when market impact is modeled as a direct penalty on reward. The Markov Decision Pro-cess is superior with market impact when it is modeled as having an impact on simulations, although some results suggest that the market impact model is not consistent for all types of instruments. Further, approximating the value function yields results that are inferior to the Markov Deci-sion Process, but interestingly the method exhibits an im-provement in performance if the estimated value function is trained before it is tested.I denna uppsats görs ett försök att hitta den optimala order exekverings strategi som maximerar vinsten från att handla finansiella instrument. Den optimala strategin hittas genom att använda en Markov beslutsprocess som är byggd på en tillståndsmodell och Bellman ekvationen. Eftersom det in-te finns en explicit formel för tillstånds dynamiken, görs istället simuleringar på historiska data för att uppskatta transitionssannolikheterna och vinsten associerad med var-je tillstånd och styrsignal. Den optimala strategin genereras sedan från Bellman ekvationen och testas mot naiva stra-tegier på test data. Det görs även ett försök att modellera marknads påverkan för att testa om Markov beslutsproces-ser fortfarande är gångbara under antagandena som görs. Slutligen görs även ett försök på att estimera värdesfunk-tionen med olika tekniker från ”Reinforcement Learning”. Det visar sig att naiva strategier är överlägsna när mark-nads påverkan inte inkorporeras och när marknads påver-kan modelleras som ett stra˙ på vinsten. Markov besluts-processer är överlägsna när marknads påverkan modelleras som direkta påverkningar på simuleringarna, men några av resultaten påvisar att modellen inte är konsistent för alla typer av instrument. Slutligen, så ger approximation av vär-desfunktionen sämre resultat än Markov beslutsprocesser, men intressant nog påvisar metoden en förbättring i pre-standa om den estimerade värdesfunktionen tränas innan den testas.
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Quiñones, Moreno Eduardo. "Predicated execution and register windows for out-of-order processors." Doctoral thesis, Universitat Politècnica de Catalunya, 2008. http://hdl.handle.net/10803/6023.
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ISA extensions are a very powerful approach to implement new hardware techniques that require or benefit from compiler support: decisions made at compile time can be complemented at runtime, achieving a synergistic effect between the compiler and the processor. This thesis is focused on two ISA extensions: predicate execution and register windows. Predicate execution is exploited by the if-conversion compiler technique. If-conversion removes control dependences by transforming them to data dependences, which helps to exploit ILP beyond a single basic-block. Register windows help to reduce the amount of loads and stores required to save and restore registers across procedure calls by storing multiple contexts into a large architectural register file.In-order processors specially benefit from using both ISA extensions to overcome the limitations that control dependences and memory hierarchy impose on static scheduling. Predicate execution allows to move control dependence instructions past branches. Register windows reduce the amount of memory operations across procedure calls. Although if-conversion and register windows techniques have not been exclusively developed for in-order processors, their use for out-of-order processors has been studied very little. In this thesis we show that the uses of if-conversion and register windows introduce new performance opportunities and new challenges to face in out-of-order processors.
The use of if-conversion in out-of-order processors helps to eliminate hard-to-predict branches, alleviating the severe performance penalties caused by branch mispredictions. However, the removal of some conditional branches by if-conversion may adversely affect the predictability of the remaining branches, because it may reduce the amount of correlation information available to the branch predictor. Moreover, predicate execution in out-of-order processors has to deal with two performance issues. First, multiple definitions of the same logical register can be merged into a single control flow, where each definition is guarded with a different predicate. Second, instructions whose guarding predicate evaluates to false consume unnecessary resources. This thesis proposes a branch prediction scheme based on predicate prediction that solves the three problems mentioned above. This scheme, which is built on top of a predicated ISA that implement a compare-and-branch model such as the one considered in this thesis, has two advantages: First, the branch accuracy is improved because the correlation information is not lost after if-conversion and the mechanism we propose permits using the computed value of the branch predicate when available, achieving 100% of accuracy. Second it avoids the predicate out-of-order execution problems.
Regarding register windows, we propose a mechanism that reduces physical register requirements of an out-of-order processor to the bare minimum with almost no performance loss. The mechanism is based on identifying which architectural registers are in use by current in-flight instructions. The registers which are not in use, i.e. there is no in-flight instruction that references them, can be early released.
In this thesis we propose a very efficient and low-cost hardware implementation of predicate execution and register windows that provide important benefits to out-of-order processors.
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Sanja, Lončar. "Negative Selection - An Absolute Measure of Arbitrary Algorithmic Order Execution." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2017. https://www.cris.uns.ac.rs/record.jsf?recordId=104861&source=NDLTD&language=en.
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Algorithmic trading is an automated process of order execution on electronic stock markets. It can be applied to a broad range of financial instruments, and it is characterized by a signicant investors' control over the execution of his/her orders, with the principal goal of finding the right balance between costs and risk of not (fully) executing an order. As the measurement of execution performance gives information whether best execution is achieved, a signicant number of diffeerent benchmarks is used in practice. The most frequently used are price benchmarks, where some of them are determined before trading (Pre-trade benchmarks), some during the trading day (In-traday benchmarks), and some are determined after the trade (Post-trade benchmarks). The two most dominant are VWAP and Arrival Price, which is along with other pre-trade price benchmarks known as the Implementation Shortfall (IS).We introduce Negative Selection as a posteriori measure of the execution algorithm performance. It is based on the concept of Optimal Placement, which represents the ideal order that could be executed in a given time win-dow, where the notion of ideal means that it is an order with the best execution price considering market conditions during the time window. Negative Selection is dened as a difference between vectors of optimal and executed orders, with vectors dened as a quantity of shares at specied price positionsin the order book. It is equal to zero when the order is optimally executed; negative if the order is not (completely) filled, and positive if the order is executed but at an unfavorable price.Negative Selection is based on the idea to offer a new, alternative performance measure, which will enable us to find the optimal trajectories and construct optimal execution of an order.The first chapter of the thesis includes a list of notation and an overview of denitions and theorems that will be used further in the thesis. Chapters 2 and 3 follow with a theoretical overview of concepts related to market microstructure, basic information regarding benchmarks, and theoretical background of algorithmic trading. Original results are presented in chapters 4 and 5. Chapter 4 includes a construction of optimal placement, definition and properties of Negative Selection. The results regarding the properties of a Negative Selection are given in [35]. Chapter 5 contains the theoretical background for stochastic optimization, a model of the optimal execution formulated as a stochastic optimization problem with regard to Negative Selection, as well as original work on nonmonotone line search method [31], while numerical results are in the last, 6th chapter.Algoritamsko trgovanje je automatizovani proces izvršavanja naloga na elektronskim berzama. Može se primeniti na širok spektar nansijskih instrumenata kojima se trguje na berzi i karakteriše ga značajna kontrola investitora nad izvršavanjem njegovih naloga, pri čemu se teži nalaženju pravog balansa izmedu troška i rizika u vezi sa izvršenjem naloga. S ozirom da se merenjem performasi izvršenja naloga određuje da li je postignuto najbolje izvršenje, u praksi postoji značajan broj različitih pokazatelja. Najčešće su to pokazatelji cena, neki od njih se određuju pre trgovanja (eng. Pre-trade), neki u toku trgovanja (eng. Intraday), a neki nakon trgovanja (eng. Post-trade). Dva najdominantnija pokazatelja cena su VWAP i Arrival Price koji je zajedno sa ostalim "pre-trade" pokazateljima cena poznat kao Implementation shortfall (IS).Pojam negative selekcije se uvodi kao "post-trade" mera performansi algoritama izvršenja, polazeći od pojma optimalnog naloga, koji predstavlja idealni nalog koji se mogao izvrsiti u datom vremenskom intervalu, pri ćemu se pod pojmom "idealni" podrazumeva nalog kojim se postiže najbolja cena u tržišnim uslovima koji su vladali u toku tog vremenskog intervala. Negativna selekcija se definiše kao razlika vektora optimalnog i izvršenog naloga, pri čemu su vektori naloga defisani kao količine akcija na odgovarajućim pozicijama cena knjige naloga. Ona je jednaka nuli kada je nalog optimalno izvršen; negativna, ako nalog nije (u potpunosti) izvršen, a pozitivna ako je nalog izvršen, ali po nepovoljnoj ceni.Uvođenje mere negativne selekcije zasnovano je na ideji da se ponudi nova, alternativna, mera performansi i da se u odnosu na nju nađe optimalna trajektorija i konstruiše optimalno izvršenje naloga.U prvom poglavlju teze dati su lista notacija kao i pregled definicija i teorema neophodnih za izlaganje materije. Poglavlja 2 i 3 bave se teorijskim pregledom pojmova i literature u vezi sa mikrostrukturom tržišta, pokazateljima trgovanja i algoritamskim trgovanjem. Originalni rezultati su predstavljeni u 4. i 5. poglavlju. Poglavlje 4 sadrži konstrukciju optimalnog naloga, definiciju i osobine negativne selekcije. Teorijski i praktični rezultati u vezi sa osobinama negativna selekcije dati su u [35]. Poglavlje 5 sadrži teorijske osnove stohastičke optimizacije, definiciju modela za optimalno izvršenje, kao i originalni rad u vezi sa metodom nemonotonog linijskog pretraživanja [31], dok 6. poglavlje sadrži empirijske rezultate.
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Yingsaeree, C. "Algorithmic trading : model of execution probability and order placement strategy." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1359852/.
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Most equity and derivative exchanges around the world are nowadays organised as order-driven markets where market participants trade against each other without the help of market makers or other intermediaries as in quote-driven markets. In these markets, traders have a choice either to execute their trade immediately at the best available price by submitting market orders or to trade patiently by submitting limit orders to execute a trade at a more favourable price. Consequently, determining an appropriate order type and price for a particular trade is a fundamental problem faced everyday by all traders in such markets. On one hand, traders would prefer to place their orders far away from the current best price to increase their pay-offs. On the other hand, the farther away from the current best price the lower the chance that their orders will be executed. As a result, traders need to find a right trade-off between these two opposite choices to execute their trades effectively. Undoubtedly, one of the most important factors in valuing such trade-off is a model of execution probability as the expected profit of traders who decide to trade via limit orders is an increasing function of the execution probability. Although a model of execution probability is a crucial component for making this decision, the research into how to model this probability is still limited and requires further investigation. The objective of this research is, hence, to extend this literature by investigating various ways in which the execution probability can be modelled with the aim to find a suitable model for modelling this probability as well as a way to utilise these models to make order placement decisions in algorithmic trading systems. To achieve this, this thesis is separated into four main experiments: 1. The first experiment analyses the behaviour of previously proposed execution probability models in a controlled environment by using data generated from simulation models of order-driven markets with the aim to identify the advantage, disadvantage and limitation of each method. 2. The second experiment analyses the relationship between execution probabilities and price fluctuations as well as a method for predicting execution probabilities based on previous price fluctuations and other related variables. 3. The third experiment investigates a way to estimate the execution probability in the simulation model utilised in the first experiment without resorting to computer simulation by deriving a model for describing the dynamic of asset price in this simulation model and utilising the derived model to estimate the execution probability. 4. The final experiment assesses the performance of utilising the developed execution probability models when applying them to make order placement decisions for liquidity traders who must fill his order before some specific deadline. The experiments with previous models indicate that survival analysis is the most appropriate method for modelling the execution probability because of its ability to handle censored observations caused by unexecuted and cancelled orders. However, standard survival analysis models (i.e. the proportional hazards model and accelerated failure time model) are not flexible enough to model the effect of explanatory variables such as limit order price and bid-ask spread. Moreover, the amount of the data required to fit these models at several price levels simultaneously grows linearly with the number of price levels. This might cause a problem when we want to model the execution probability at all possible price levels. To amend this problem, the second experiment purposes to model the execution probability during a specified time horizon from the maximum price fluctuations during the specified period. This model not only reduces the amount of the data required to fit the model in such situation, but it also provides a natural way to apply traditional time series analysis techniques to model the execution probability. Additionally, it also enables us to empirically illustrate that future execution probabilities are strongly correlated to past execution probabilities. In the third experiment, we propose a framework to model the dynamic of asset price from the stochastic properties of order arrival and cancellation processes. This establishes the relationship between microscopic dynamic of the limit order book and a long-term dynamic of the asset price process. Unlike traditional methods that model asset price dynamic using one-dimensional stochastic process, the proposed framework models this dynamic using a two dimensional stochastic process where the additional dimension represents information about the last price change. Finally, the results from the last experiment indicate that the proposed framework for making order placement decision based on the developed execution probability model outperform naive order placement strategy and the best static strategy in most situations.
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Fruth, Antje [Verfasser], and Peter [Akademischer Betreuer] Bank. "Optimal order execution with stochastic liquidity / Antje Fruth. Betreuer: Peter Bank." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2011. http://d-nb.info/1014946697/34.
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Kritchanchai, Duangpun. "Responsiveness of order fulfillment processes." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326547.
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Asakura, Koichi, Toyohide Watanabe, and Noboru Sugie. "An execution order control method of distributed processes for sharing global variables." IEEE, 1994. http://hdl.handle.net/2237/6927.
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Liu, Yubo. "Essays on institutional trading and order flow competition in equity markets." Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/12826.
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This dissertation examines order flow competition and institutional trading in modern global financial markets. It consists of three essays addressing issues on the performance drivers of an alternative trading platform, the impact of HFT activity on institutional execution cost, and broker trading behaviour and market share in the primary market. The empirical findings in these essays provide valuable insights into a number of market participants, such as sophisticated and institutional investors, brokers, regulators, exchange market operators and academics. The first essay, presented in Chapter 4, examines the determinants of Chi-X’s market share in a global context. The introduction of alternative trading venues that compete with listing exchanges has been brought about by regulatory reform and technological advances over the past decade. This essay is the first study into the performance drivers of a prominent alterative trading venue (Chi-X) in an international context. The findings in this essay contribute to the understanding of factors that influence a trader’s order routing decision and ultimately a venue’s market share. The results indicate that Chi-X's market share is negatively related to trading fees and latency relative to the primary exchange, while differences in adverse selection risk have an immaterial effect. Chi-X's market share is found to be positively related to liquidity relative to the primary exchange, measured by bid-ask spread, depth and percentage time that it displays best bid or offer. Venue market share is negatively related to order-to-trade ratio and positively related to average trade size, which suggests a trader’s preference to interact with natural and accessible liquidity. Furthermore, trading tends to concentrate on the primary exchange during market downturns and when volatility is high, while tick constraint stocks tend to trade more on Chi-X to avoid queuing at the touch on the primary exchange. Moreover, there is an improvement in market liquidity in regions where Chi-X was introduced during relatively normal market conditions. The second essay, presented in Chapter 5, examines the presence of High Frequency Trading (HFT) around large institutional trades and their price impact on NASDAQ and NYSE. The findings contribute to the understanding of HFT around institutional trades and its effect on realised execution costs. The focus on institutional price impact adds to the current literature around HFT's impact on conventional market quality metrics, such as spreads and depth, while addressing concerns that HFT adds to the difficulty of executing institutional orders, despite its perceived association with liquidity provision. The results in this chapter indicate that the impact of HFT participation on institutional execution costs vary between buy trades and sell trades. This essay also documents that institutional buy trades present higher execution costs, when the level of HFT participation is high. In contrast, institutional sell trades could be executed at better prices with a high level of HFT participation. The contrasting results can be attributable to the difference in the nature of HFTs and their respective ability and costs to short sell. Moreover, there is no evidence that HFT activities are beneficial or detrimental for the largest five percent of institutional trades. The third essay, presented in Chapter 6, studies the trading volume and market shares of brokers surrounding Seasoned Equity Offerings (SEOs) in the Australian primary market based on a unique broker ID dataset provided by ASX. Further regression analysis is conducted in this essay to examine the key determinants of the behaviour of affiliated and unaffiliated brokers around SEOs. The findings contribute to the understanding of broker affiliation around SEOs as well as providing insights into the key factors that influence a broker’s market share. The results suggest that broker affiliation has a significant impact on broker trading volume and market share on both the announcement days and issuance days. However, there is no significant evidence showing that lead managers or co-managers outperform other underwriters. Rather, the results indicate that co-managers are not expected to gain any abnormal volume or market share. Moreover, broker reputation, market capitalisation and relative offer size of the offering firm are shown as the primary characteristics influencing broker performance.
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Williams, Sheri. "Public Order and Social Control through Religion in the Roman Republic." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1703282/.
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Rome was among the largest cities in Europe during the Republic era, with a population that was diverse in social status and ethnicity. To maintain public order and social control of such a large, continually growing and shifting population that encompassed mixed cultures and Roman citizens, the Roman elites had to use various methods to keep the peace and maintain social stability. As religion was so deeply ingrained into every aspect of Roman life, it is worth taking a deeper look into how those in charge used it to maintain peace and relative control in Rome and its territories. Chapter 1 offers a brief look at the history of Roman religion, its terms and definitions, and the idea of social control as it pertains to this thesis. Chapter 2 shows the motivations of the Roman elite classes in their use of religion to maintain public order and enforce social control of the mass population. Couched in the need to uphold the Pax Deorum or Peace of the Gods, religious piety and order was cultivated as a means to protect the Republic from harm. Chapter 3 explains how the Patrician and Plebeian classes directed the attention of the residents of Rome with a calendar that was filled with rituals, sacrifices, festivals, and market days. In keeping a busy religious schedule, the people of Rome maintained a constant and direct relationship with the gods. Chapter 4 discusses the importance of women in the roles of priestesses and officers in religious cult to sustain the religious health and welfare of the city of Rome and the smaller communities within the city they inhabited. Chapter 5 examines the use of execution as a religious means of enforcing public order and social control. The chapter explores different means of execution and how they were placed into the realm of religion as a means to rid the populace of impurity and cultivate the piety of the Republic. Chapter 6 brings all of these elements together to show that the people of the Roman Republic believed in their gods and believed that the religious rites and practices that they maintained were instrumental in keeping the Pax Deorum. It was this belief that the ruling Patrician and Plebeian classes regulated to make sure that public and social order were upheld and preserved.
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Fuchs, Franz Anton. "Analysis of Transient-Execution Attacks on the out-of-order CHERI-RISC-V Microprocessor Toooba." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-291743.
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Transient-execution attacks have been deemed a large threat for microarchitectures through research in recent years. In this work, I reproduce and develop transient-execution attacks against RISC-V and CHERI-RISC-V microarchitectures. CHERI is an instruction set architecture (ISA) security extension that provides fine-grained memory protection and compartmentalisation. I conduct transient-execution experiments for this work on Toooba – a superscalar out-of-order processor implementing CHERI-RISC-V. I present a new subclass of transient-execution attacks dubbed Meltdown-CF(Capability Forgery). Furthermore, I reproduced all four major Spectre-style attacks and important Meltdown-style attacks. This work analyses all attacks and explains the outcome of the respective experiments based on architectural and microarchitectural decisions made by their developers. While all four Spectre-style attacks could be successfully reproduced, the cores do not appear to be vulnerable to prior Meltdown-style attacks. I find that Spectre-BTB and Spectre-RSB pose a large threat to CHERI systems as well as the newly developed transientexecution attack subclass Meltdown-CF. However, all four major Spectre-style attacks and all attacks of the Meltdown-CF subclass violate CHERI’s security model and therefore require security mechanisms to be put in place.Transient-execution-attacker har utgjort ett stort hot för mikroarkitekturer i senaste årens forskning. I den här avhandlingen återskapar jag och utvecklar transient-execution-attacker mot RISC-V och CHERI-RISC-V mikroarkitekturer. CHERI är en instruction set architecture (ISA) security extension som ger finkornig memory protection och compartmentalisation. I avhandlingen genomför jag transient-execution-experiment på Toooba – en superscalar outof-order processor som implementerar CHERI-RISC-V. Jag presenterar en ny sorts transient-execution-attack som kallas Meltdown-CF(Capability Forgery). Därutöver har jag återskapat de fyra stora Spectre-style-attackerna och viktiga Meltdown-style-attacker. I avhandlingen analyserar jag dessa attacker och förklarar resultaten från experimenten utifrån de arkitektoniska och mikroarkitektoniska besluten tagna av respektive utvecklare. Medan de fyra Spectre-style-attackerna kunde återskapas med framgång verkar inte processorkärnorna vara sårbara för tidigare Meltdown-style-attacker. Jag kom fram till att Spectre-BTB och Spectre-RSB såväl som den nya sortens transientexecution-attack Meltdown-CF utgör ett stort hot för CHERI-system. Däremot bryter de fyra stora Spectre-style-attackerna och alla attacker av MeltdownCF-typen mot CHERI:s threat-model och kräver därmed säkerhetsmekanismer för att verkställas.
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Blair, James. "Modelling approaches for optimal liquidation under a limit-order book structure." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/modelling-approaches-for-optimal-liquidation-under-a-limitorder-book-structure(a7c23b2a-e2f8-4b4a-9865-8783d9837198).html.
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This thesis introduces a selection of models for optimal execution of financial assets at the tactical level. As opposed to optimal scheduling, which defines a trading schedule for the trader, this thesis investigates how the trader should interact with the order book. If a trader is aggressive he will execute his order using market orders, which will negatively feedback on his execution price through market impact. Alternatively, the models we focus on consider a passive trader who places limit orders into the limit-order book and waits for these orders to be filled by market orders from other traders. We assume these models do not exhibit market impact. However, given we await market orders from other participants to fill our limit orders a new risk is borne: execution risk. We begin with an extension of Guéant et al. (2012b) who through the use of an exponential utility, standard Brownian motion, and an absolute decay parameter were able to cleverly build symmetry into their model which significantly reduced the complexity. Our model consists of geometric Brownian motion (and mean-reverting processes) for the asset price, a proportional control parameter (the additional amount we ask for the asset), and a proportional decay parameter, implying that the symmetry found in Guéant et al. (2012b) no longer exists. This novel combination results in asset-dependent trading strategies, which to our knowledge is a unique concept in this framework of literature. Detailed asymptotic analyses, coupled with advanced numerical techniques (informing the asymptotics) are exploited to extract the relevant dynamics, before looking at further extensions using similar methods. We examine our above mentioned framework, as well as that of Guéant et al. (2012), for a trader who has a basket of correlated assets to liquidate. This leads to a higher-dimensional model which increases the complexity of both numerically solving the problem and asymptotically examining it. The solutions we present are of interest, and comparable with Markowitz portfolio theory. We return to our framework of a single underlying and consider four extensions: a stochastic volatility model which results in an added dimension to the problem, a constrained optimisation problem in which the control has an explicit lower bound, changing the exponential intensity to a power intensity which results in a reformulation as a singular stochastic control problem, and allowing the trader to trade using both market orders and limit orders resulting in a free-boundary problem. We complete the study with an empirical analysis using limit-order book data which contains multiple levels of the book. This involves a novel calibration of the intensity functions which represent the limit-order book, before backtesting and analysing the performance of the strategies.
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Suryodipuro, Sidharto R. "Implications of Sino-American strategic competition on Southeast Asia's post-Cold War regional order." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Dec%5FSuryodipuro.pdf.
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Thesis (M.A. in National Security Affairs)--Naval Postgraduate School, December 2003.Thesis advisor(s): H. Lyman Miller, Edward A. Olsen. Includes bibliographical references (p. 95-105). Also available online.
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Predoiu, Silviu Nicolae. "Optimal Execution in a General One-Sided Limit-Order Book and Endogenous Dynamic Completeness of Financial Models." Research Showcase @ CMU, 2011. http://repository.cmu.edu/dissertations/115.
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This thesis consists of two parts. The first one is a result obtained under the supervision of Steven Shreve and with the collaboration of Gennady Shaikhet. Our work yielded a detailed description of the optimal strategies for a large investor, when she needed to buy a large amount of shares of a stock over a finite time horizon. The dynamics of the limit order book of the underlying stock is a generalization of known results to continuous time and to arbitrary distributions of the said limit order book. See the introduction section in chapter 2 for a more detailed discussion.
The second part is a result obtained under the supervision of Dmitry Kramkov. Our work yielded a sufficient condition on the structure of the economic factors, dividends of traded assets and total endowment in a single-agent economy, such that in an Arrow - Debreu - Radner equilibrium the market is complete. The main result is formulated as an integral representation theorem. Our work generalizes and complements fairly recent results in this direction (at the time of this thesis) by requiring less smoothness of the driving diffusion process at the expense of seemingly stronger conditions on the terminal dividends of the assets. See the introduction section in chapter 3 for a more detailed discussion.
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Rossone, de Paula Francine. "Brazil Comes to the Future: Living Time and Space in the International Order of Competition." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/71384.
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The rise of Brazil as an economic power in the last decade has been celebrated by politicians and analysts as an opportunity for the country to take advantage of its visibility and bargaining power in order to effectively advocate for and promote an institutional and normative reform of the international order toward a less asymmetric and exclusionary space for politics. This dissertation aims to examine the spatial and temporal assumptions in these recent discourses about Brazil's emergence to the global stage and Brazil']s disposition towards the future. Departing from an understanding that there are scripts governing the realm of the possible and the visible in international politics, this dissertation proposes an analysis of what defines the conditions of possibility for Brazil's emergence to the global stage. By looking at discourses about Brazil's position and positioning in international politics, this study explores implicit and explicit rules defining the possibilities for one to be seen as a legitimate presence in the future and what these spatiotemporal constructs reveal about what is allowed as repetition and as change in the world. Contrary to many optimistic accounts of Brazil's emergence as a transformational leader from the developing world, I argue that it is only possible for Brazil to be discursively represented as an emerging global player and/or a country of the future that may have finally arrived because of the same limiting spatial and temporal discursive representations in world politics that translate difference into hierarchy and that contain and define intelligible possibilities for an alternative political order.Ph. D.
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Nicholls, Stuart Guy. "Manufacturing Order Execution: An investigation into a means of implementing new production planning tools at Synlait Milk Ltd." Thesis, University of Canterbury. Master of Engineering Management, 2014. http://hdl.handle.net/10092/8939.
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Implementation of production planning and scheduling systems at Synlait Milk Ltd. for its process manufacturing plant required a project be carried out. Socio-technical considerations as well as ease-of-use for the end-users of a planning system were found to be of the utmost importance in the implementation of a production planning and control system. Implementation options for the systems were weighed and a viable solution found.
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Jeevan, Hirale S. "Crystal Growth and Investigation of CeCu2Si2 and YbRu2Ge2: Competition/Co-existence of Superconducting, Dipolar and Quadrupolar order." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-67217.
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Strongly correlated systems represent one of the major topics in modern solid-state physics. The rare-earth intermetallic compounds belonging to this class provide rich grounds for investigation of various phenomena. They show one of the most fascinating types of ground states in condensed-matter physics. Among them are: Kondolattice effects, heavy fermion behavior, superconductivity, magnetic order, non-Fermi liquid behavior, and quantum phase transition. Those properties occur mainly due to two competing interactions, the Kondo effect and the Ruderman-Kittel-Kasuya-Yosida interaction.
The study of unconventional superconductivity in heavy fermion systems attracted great interest over the last two decades. The exotic pairing mechanism (e.g. mediated by spin fluctuations) and the symmetry of the order parameter have been intensively discussed especially for superconducting Ce- and U-based compounds. The discovery of superconductivity below 0.65 K in the heavy-electron system CeCu2Si2 appeared unexpected as magnetic moments were known to destroy superconductivity. The pronounced anomaly of the electronic specific heat at Tc, however, strongly suggests that the unusual low temperature properties of heavy-electron systems indicate an unconventional origin of the superconducting phase. Since the discovery of superconductivity in CeCu2Si2, the question of the exact nature and origin of this phenomenon has been the subject of great interest in research. It has been postulated, that the superconductivity in these materials is not caused primarily by the usual electronphonon mechanism but rather by some magnetic interaction. CeCu2Si2 shows a rich phase diagram with different phases competing, depending on slight changes of the interactions. These properties are also strongly sample dependent. Small changes in composition eventually lead to changes in the electron interactions. These unique properties make this compound a fascinating subject of study. On the other hand it is difficult to synthesis the single crystals with defined physical properties. During the last three decades CeCu2Si2 has been an active research topic, from single crystal growth to sophisticated experiments like high-pressure measurements, neutron experiments etc. This thesis involved systematic investigations of the phase diagram, starting with the single crystal growth of different ground state and catheterized their physical properties including neutron experiments. The second part of the thesis contains, for the first time (to our knowledge), detailed investigations of the very interesting physical properties on YbRu2Ge2, which shows a quasiquartet crystalelectric-field ground state with quadrupolar ordering at 10 K.
The first chapter is an overview of the underlying physics of heavy- fermion systems, including a description of the Doniach phase diagram. The second part of this chapter gives a brief introduction of crystalline-electric-field effect in rare-earth intermetallic compounds. Chapter 2. describes the experimental methods and crystal growth details. This chapter provides the main focus of this dissertation, presenting detailed experimental results for the different types of CeCu2Si2 crystals. Magnetic, thermodynamic and transport measurements on the new generation of large highquality single crystals were conducted by our research group. Furthermore, complimentary neutron investigations have been performed, which allowed to conclude that both magnetic and superconducting phases compete with each other. The effect of Ge doping on the Si site and possible coexistence of magnetic and superconducting phase is discussed in chapter 4. Chapter 5 provides a detailed investigation of the physical properties of YbRu2Ge2 single crystals. In addition, neutron experiments as well as the determination the magnetic structure and crystalline-electric-field scheme of YbRu2Ge2 are presented. The μSR experiments were also performed as a complimentary method to the neutron experiments. Chapter 6 ends the dissertation with a conclusion and summary.
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Gong, Xue. "Dynamical Systems in Cell Division Cycle, Winnerless Competition Models, and Tensor Approximations." Ohio University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1458303716.
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Dönges, Jutta A. "Competition for order flow and the theory of global games : the impact of alternative trading systems on securities markets /." Wiesbaden : Dt. Univ.-Verl. [u.a.], 2001. http://www.gbv.de/du/services/toc/bs/333321790.
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Tavares, Mariana. "A constitutional analysis of multijurisdictional conflicts in the EU legal order confirms that diversity is possible in EU competition law." Thesis, King's College London (University of London), 2018. https://kclpure.kcl.ac.uk/portal/en/theses/a-constitutional-analysis-of-multijurisdictional-conflicts-in-the-eu-legal-order-confirms-that-diversity-is-possible-in-eu-competition-law(83644534-70e7-4d69-9f29-97a00b98e447).html.
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Is diversity in European Union (EU) competition law possible from a constitutional point of view? This question has become even more contentious after the Treaty of Lisbon. Under Article 3(1)(b) TFEU, establishing the competition rules necessary for the functioning of the internal market is within the exclusive competence of the Union. Under Article 2(1) TFEU, when the Treaties confer on the Union exclusive competence in a specific area, only the Union may legislate and adopt legally binding acts, the Member States being able to do so themselves only if so empowered by the Union or when implementing Union acts. The exclusive nature of the Union’s competence in the area of competition is controversial. The majority of the authors criticise the policy choice of EU exclusive competence, but seem to accept that diversity in EU competition law is excluded under the Treaties. This thesis, however, challenges that conclusion. First it is submitted that EU system of competences as introduced by the Treaty of Lisbon the competence to legislate on substantive principles of EU competition law remained shared. It will be seen that under this system, Article 3(1)(b) TFEU excludes much more than it includes. Secondly, it is showed that the principles of direct effect, primacy of EU law and the fundamental principle of ne bis in id allow for diversity in EU competition law. These principles certainly have the potential to affect Member States’ sphere of competence. However, it will be seen that they do not exclude Member States’ competence in the area of competition. On the contrary, diversity in European Union competition law is allowed. There are nonetheless several bottlenecks to the recognition of this diversity that should be removed, and some other potential obstacles that should be avoided. This thesis does not ask the question of whether diversity in EU competition law is desirable, and it also does not discuss the limits to the application of divergent national competition laws stemming from the internal market freedoms. These questions complete the picture of the scope for diversity in EU competition law and are identified as avenues for future research work.
22
Žundálek, Martin. "Studie procesního řízení obchodní zakázky." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2018. http://www.nusl.cz/ntk/nusl-377452.
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The diploma thesis deals with the course of the contract by selected company focusing on business activity and business development. The first part introduces the company and its product portfolio. The second part describes the theoretical background necessary to understand the given issue. The third part analyzes the current state of the company and identifies problematic processes in the business department. The fourth part contains specific suggestions for removing current issues. The last part summarizes the benefits and conditions of implementation.
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Lekkou, Efthymia. "La transparence et la commande publique." Thesis, Lyon 3, 2012. http://www.theses.fr/2012LYO30101.
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La transparence, à travers ses multiples applications par le juge européen, est érigée en principe général du droit de l’Union européenne. Ses fondements juridiques retentissent sur sa portée, impérative et supplétive, son champ d’application matériel et personnel ainsi que sur son extension progressive et sa limitation aux seuls rapports verticaux développés entre les autorités adjudicatrices et les opérateurs économiques. La transparence est rattachée directement aux libertés fondamentales des soumissionnaires potentiels dont elles assurent la protection juridique et indirectement au principe de libre concurrence par la suppression des obstacles privés à la libre circulation des activités économiques. Ainsi, au service d’une finalité immédiate, la transparence garantit l’accès à la commande publique et, au service d’une finalité médiate, elle protège les structures du marché de la commande publique. Le principe général de transparence donne alors naissance aux contrats relevant de la commande publique qui prennent le relais des contrats publics. Instrument d’intégration et élément structurel du marché intérieur, cette nouvelle génération des contrats matérialise l’accès à la commande publique qui constitue un secteur d’activité économique faisant partie du marché intérieurTransparency, through its multiple applications by the european judge, has become a general principle of european law. Its legal basis resound its purview, imperative and suppletive, its personnal et material scope, as well as its progressive extension and its restriction to the vertical relationships developed between contracting authorities and economic operators. Transparency is attached directly to potential bidders fundamental freedoms whose its provides legal protection. It is attached indirectly to the principle of free competition by the elimination of private barriers to the free movement of economic activities. Thus, in the service of an immediate finality, transparency guarantees access to public procurements and, in the service of a mediate finality, it protects the market structures of public procurement. The general principle of transparency gives then rise to contracts of public order (contrats relevant de la commande publique) which take over public contracts. Instrument of integration and structural element of the internal market, this new generation of contracts materialize access to public order (commande publique), that constitutes a sector of economic activity as part of the internal market
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Sim, Min Kyu. "Empirical findings in asset price dynamics revealed by quantitative modelling." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54302.
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This dissertation addresses the fundamental question of what factors drive equity prices and investigates the mechanisms through which the drivers influence the price dynamics. The studies are based on the two different frequency levels of financial data. The first part aims to identify what systematic risk factors affect the expected return of stocks based on historical data with frequency being daily or monthly. The second part aims to explain how the hidden supply-demand of a stock affects the stock price dynamics based on market data observed at frequency levels generally between a millisecond and a second. With more and more financial market data becoming available, it greatly facilitates quantitative approaches for analyzing asset price dynamics and market microstructure problems.
In the first part, we propose an econometric measure, terms as modularity, for characterizing the cluster structure in a universe of stocks. A high level of modularity implies that the cluster structure of the universe of stocks is highly evident, and low modularity implies a blurred cluster structure. The modularity measure is shown to be related to the cycle of the economy. In addition, individual stock's sensitivity to the modularity measure is shown to be related to its expected return. From 1992 to 2011, the average annual return of stocks with the lowest sensitivity exceeds that of the stocks with highest sensitivities by approximately 7.6%. Considerations of modularity as an asset pricing factor expand the investment opportunity set to passive investors.
In the second part, we analyze the effect of hidden demands/supplies in equity trading market on the stock price dynamics. We propose a statistical estimation model for average hidden liquidity based on the limit orderbook data. Not only the estimated hidden liquidity explains the probabilistic property in market microstructure better, it also refines the existing price impact model and achieves higher explanation powers. Our enhanced price impact model offers a base for devising optimal order execution strategies. After we develop an optimal execution strategy based on the price impact function, the advantage of this strategy over benchmark strategies is tested on a simulated stock trading model calibrated by historical data. Simulation tests indicate that our strategy yields significant savings in transaction cost over the benchmark strategies.
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Allgeier, Anthony Joseph III. "The Works for Clarinet Commissioned by the Concours International d'Exécution Musicale de Genève: A Critical Survey and Performance Guide." Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc31524/.
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Beginning in 1939, the Concours International d'Exécution Musicale de Genève (CIEM; Geneva International Music Competition) is unique among international music competitions in its multidisciplinary approach. To date, fifteen works have been commissioned for clarinet for the years in which the clarinet was involved. The most well-known of these works is the unaccompanied work by Heinrich Sutermeister, Capriccio for Solo Clarinet in A, written in 1946 for the 1947 competition. This work is a staple in the unaccompanied clarinet repertoire. However, the other fourteen works commissioned for the competition are little known and to date no document has been prepared that examines each of these works in the context of the competition and clarinet literature. While perhaps less notable, works were also commissioned for a sight reading portion of the competition for many of the years in which the clarinet was a discipline chosen for the competition, two of which were published. These works are examined as well. This survey provides a critical, analytical, historical, performance-related and biographical review of the published and unpublished works commissioned for the clarinet by CIEM. The composers, competitors and the significance of these works and winners in the clarinet literature and history are included. A chapter is dedicated to each piece which includes performance considerations, critical, analytical, and historical information as well as biographical information regarding the composer and the competitors where available.
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Malet-Vigneaux, Julie. "L'intégration du droit de l'environnement dans le droit de la concurrence." Thesis, Nice, 2014. http://www.theses.fr/2014NICE0017.
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Si l'intégration des exigences environnementales est inscrite dans les textes et, pour partie, dans la réalité, la relation entre les droits de l'environnement et de la concurrence demeure problématique, car les valeurs que le premier vise à protéger sont à bien des égards des valeurs "exogènes au marché". Consacré formellement, mais mal connu et souffrant d'une qualification juridique difficile à cerner, le principe d'intégration ne permet pas une intégration substantielle des droits et des politiques de l'environnement et de la concurrence. L'objet de la thèse est donc d'abord, par un travail de réflexion sur les catégories et concepts des deux disciplines, de mettre en lumière les limites de la situation actuelle. Il est ensuite de s'interroger sur les évolutions en cours, et sur les conditions susceptibles de rendre effective une régulation des marchés prenant en compte les enjeux environnementaux. L'élévation de l'intérêt environnemental et l'avènement d'un ordre public écologique sont une des voies possibles d'une telle intégration, donnant aux juges un rôle fondamental à jouer dans la conciliation des intérêts en présenceIf the integration of environmental requirements is written in legal documents and in part in reality, the relation between environmental law and competition law remains problematic. Indeed, the values that environmental law seeks to protect are mainly outside of the scope of the markets. The principle of integration, if formally recognized, is not well known and suffers a lack of legal characterization. A substantial integration of law and policies of environmental law in competition law seems thus impossible. The purpose of this study is to analyze and highlight the limitations of the current situation, by studying and comparing the different concepts and categories present in those two fields. It is then possible to apprehend the evolutions that are taking place, as well as the conditions that could make effective a regulation of the markets that would take in consideration the issues of environmental law. A solution would be to elevate the interest of environmental law and see the emregence of an ecological public order. Such integration would give a central role to the judges in order to conceal the interests at stake. Another less traditional way would be the monetization of the environment
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Perais, Arthur. "Increasing the performance of superscalar processors through value prediction." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S070/document.
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Bien que les processeurs actuels possèdent plus de 10 cœurs, de nombreux programmes restent purement séquentiels. Cela peut être dû à l'algorithme que le programme met en œuvre, au programme étant vieux et ayant été écrit durant l'ère des uni-processeurs, ou simplement à des contraintes temporelles, car écrire du code parallèle est notoirement long et difficile. De plus, même pour les programmes parallèles, la performance de la partie séquentielle de ces programmes devient rapidement le facteur limitant l'augmentation de la performance apportée par l'augmentation du nombre de cœurs disponibles, ce qui est exprimé par la loi d'Amdahl. Conséquemment, augmenter la performance séquentielle reste une approche valide même à l'ère des multi-cœurs.Malheureusement, la façon conventionnelle d'améliorer la performance (augmenter la taille de la fenêtre d'instructions) contribue à l'augmentation de la complexité et de la consommation du processeur. Dans ces travaux, nous revisitons une technique visant à améliorer la performance de façon orthogonale : La prédiction de valeurs. Au lieu d'augmenter les capacités du moteur d'exécution, la prédiction de valeurs améliore l'utilisation des ressources existantes en augmentant le parallélisme d'instructions disponible.En particulier, nous nous attaquons aux trois problèmes majeurs empêchant la prédiction de valeurs d'être mise en œuvre dans les processeurs modernes. Premièrement, nous proposons de déplacer la validation des prédictions depuis le moteur d'exécution vers l'étage de retirement des instructions. Deuxièmement, nous proposons un nouveau modèle d'exécution qui exécute certaines instructions dans l'ordre soit avant soit après le moteur d'exécution dans le désordre. Cela réduit la pression exercée sur ledit moteur et permet de réduire ses capacités. De cette manière, le nombre de ports requis sur le fichier de registre et la complexité générale diminuent. Troisièmement, nous présentons un mécanisme de prédiction imitant le mécanisme de récupération des instructions : La prédiction par blocs. Cela permet de prédire plusieurs instructions par cycle tout en effectuant une unique lecture dans le prédicteur. Ces trois propositions forment une mise en œuvre possible de la prédiction de valeurs qui est réaliste mais néanmoins performanteAlthough currently available general purpose microprocessors feature more than 10 cores, many programs remain mostly sequential. This can either be due to an inherent property of the algorithm used by the program, to the program being old and written during the uni-processor era, or simply to time to market constraints, as writing and validating parallel code is known to be hard. Moreover, even for parallel programs, the performance of the sequential part quickly becomes the limiting improvement factor as more cores are made available to the application, as expressed by Amdahl's Law. Consequently, increasing sequential performance remains a valid approach in the multi-core era. Unfortunately, conventional means to do so - increasing the out-of-order window size and issue width - are major contributors to the complexity and power consumption of the chip. In this thesis, we revisit a previously proposed technique that aimed to improve performance in an orthogonal fashion: Value Prediction (VP). Instead of increasing the execution engine aggressiveness, VP improves the utilization of existing resources by increasing the available Instruction Level Parallelism. In particular, we address the three main issues preventing VP from being implemented. First, we propose to remove validation and recovery from the execution engine, and do it in-order at Commit. Second, we propose a new execution model that executes some instructions in-order either before or after the out-of-order engine. This reduces pressure on said engine and allows to reduce its aggressiveness. As a result, port requirement on the Physical Register File and overall complexity decrease. Third, we propose a prediction scheme that mimics the instruction fetch scheme: Block Based Prediction. This allows predicting several instructions per cycle with a single read, hence a single port on the predictor array. This three propositions form a possible implementation of Value Prediction that is both realistic and efficient
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Jeevan, Hirale S. [Verfasser], Frank [Akademischer Betreuer] Steglich, Christoph [Akademischer Betreuer] Geibel, and Z. [Akademischer Betreuer] Hossain. "Crystal Growth and Investigation of CeCu2Si2 and YbRu2Ge2: Competition/Co-existence of Superconducting, Dipolar and Quadrupolar order / Hirale S. Jeevan. Gutachter: Frank Steglich ; Z. Hossain. Betreuer: Frank Steglich ; Christoph Geibel." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://d-nb.info/1067188290/34.
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Alatas, Boran. "Development Of A Web-based Dynamic Scheduling Methodology For A Flexible Manufacturing Cell Using Agent Based Distributed Internet Applications." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12604693/index.pdf.
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The increasing importance of computer leads to develop new manufacturing methods. One of the most important example&ldquo
unmanned shop floor&rdquo
model aims, the mankind can work in jobs that they can be more efficient and more comfortable. As the base of this model, in Middle East Technical University Computer Integrated Manufacturing Laboratory (METUCIM) &ldquo
Agent Version 1.1&rdquo
system is developed. Windows Distributed Internet Applications (DNA) modeling technique is used for the software development. In the developed system, by using web pages, one can give work orders to the flexible manufacturing cell in METUCIM. The manufacturing capabilities of the cell are limited by the capabilities of CNC Lathe and CNC Milling machine that exist in the system. By the developed agent based dynamic scheduling method, it is prevented to be only an experimental system for the manufacturing cell. The real manufacturing environment is adapted to the cell that it is possible to give unlimited number of work orders. The work orders can be queued and manufactured according to their &ldquo
priorities&rdquo
. By the &ldquo
web-cam&rdquo
application the given work orders can be watched from the web site so the system reliability is increased for the engineer. In the real manufacturing environment it is very frequent that the &ldquo
urgent part&rdquo
is needed to manufacture. In this system it is possible to give &ldquo
urgent orders&rdquo
for these situations.
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Niane, Mamoudou. "L'exigence de sécurité juridique dans le recouvrement des créances." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0116/document.
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Inspiré par une croyance fondée sur l’inégalité des parties, le droit del’exécution poursuit le dessein d’un recouvrement rapide, sûr et peu coûteux descréances. Afin de relever ce défi, le droit OHADA a fait de la sécurité juridique uneexigence fondamentale devant démontrer son aptitude à répondre aux attentes desdifférentes parties. Cependant, la pratique du recouvrement permet d’identifier dessources d’insécurité juridique préjudiciable au climat de confiance voulu par lelégilateur communautaire. Ainsi, le caractère quasi-informel du recouvrementamiable, la résistance des juridictions nationales ou l’ineffectivité de certainesdécisions judiciaires perturbent la prévisibilité inhérente à l’exigence de sécuritéjuridique. Conçu comme un système cohérent, le droit de l’exécution OHADA offredes ressources interprétatives propices à la correction des lacunes observées. Dansces conditions, le juge occupe un rôle central dans la promotion de la sécuritéjuridique. D’une part, il assure le contrôle des prérogatives individuelles des partiesdans le sens de réguler les conflits d’intérêts induits par des attentes souventcontradictoires. Dans cette optique, l’une des finalités de l’intervention du juge estd’assurer le respect du recours à la contrainte dans l’exécution. D’autre part,l’exigence de sécurité juridique servira au juge à établir une meilleure corrélationentre toutes les techniques garantissant le paiement du créancier dans un souciconstant d’efficacité. En l’absence d’une consécration explicite de la sécuritéjuridique, la proposition d’une relecture de la théorie de l’exécution en droit privé offrel’opportunité de voir tous les mécanismes de son intégration dans le recouvrementdes créances en tenant compte de la réalité juridico-économique de la créanceInspired by the belief grounded on inequalities between parties, theenforcement law continues to design a fast, safe and inexpensive debt recovery. Tomeet this challenge, the OHADA law made legal certainty requirement which mustshow its ability to live up to the expectations of the different parties. However, therecovery practice identifies sources of legal uncertainty detrimental to the climate oftrust advocated by the Community legislature. Thus, the quasi-informal nature of debtcollection, the resistance of national courts or the ineffectiveness of certain judicialdecisions disrupt the predictability pertaining to the requirement of legal certainty.Designed as a coherent system, The OHADA enforcement law affords interpretativeresources conducive to the rectification of the flaws spotted. In these circumstances,the judge plays a central role in promoting legal certainty. On the one hand, hemonitors the individual prerogatives of the parties in the direction of regulatingconflicts of interest arising from the often conflicting expectations. In this context, oneof the purposes of the intervention of the judge is to ensure compliance of coercion inthe execution. On the other hand, the demand of legal certainty will allow the judge toestablish a better correlation between all techniques guaranteeing the payment of thecreditor for the constant sake of efficacy. In the absence of an explicit consecration oflegal certainty, the proposal for a reinterpretation of the theory of enforcement lawprovides the opportunity to see all the mechanisms of its integration in debt recovery,taking into account the legal and economic substance of the claim
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Valer, Cristiano. "Proposta de método para avaliar o controle da produção e dos materiais em empresas do tipo engenharia contra pedido (engineering-to-order)." Universidade do Vale do Rio dos Sinos, 2011. http://www.repositorio.jesuita.org.br/handle/UNISINOS/4805.
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eFact Software Ltda
Este trabalho tem como objetivo propor um método de avaliação e análise na função controle da produção e dos materiais no que tange a funcionalidades MES. O método é direcionado para empresas que trabalham com a lógica de produção Engenharia contra Pedido (engineering-to-order). Inicialmente, o trabalho buscou a literatura concernente aos temas relacionados com: Sistemas de Produção, Classificação de Sistemas de Produção, Sistema Toyota de Produção, Planejamento Programação e Controle da Produção e Materiais – PPCPM, Gestão do Posto de Trabalho, Capacidade X Demanda e Sistema de Execução de Manufatura. Uma vez proposto o embasamento teórico a pesquisa foi realizada adotando um Estudo de Caso Único Holístico. Feita a seleção do método de pesquisa, foram delineadas as etapas do método de trabalho. Na sequência foi proposto o método de avaliação e análise na função controle da produção e dos materiais. No desenvolvimento do trabalho foi feito um detalhamento do PPCPM da empresa e dos processos de produção, planejamento, programação e controle. Após a visão geral dos processos da empresa, tendo sido realizada uma análise das funcionalidades de um sistema de execução de manufatura para empresas do tipo engenharia contra pedido. Foram mapeadas as funcionalidades que existem e que são necessárias para que a empresa consiga melhorar a acuracidade das informações para o PPCPM. Após o estudo de caso, foram levantados os principais pontos de melhorias focados na função controle do PPCPM tendo sido realizado uma análise desses pontos de melhorias com enfoque em sistemas de controle para chão-de-fábrica do tipo MES (Manufactury Execution System). Como conclusão, tem-se que o método construído mostrou-se robusto e sincronizado com a realidade enfrentada no âmbito da Empresa utilizada para a realização do estudo de caso.
This work has as a goal the proposition of an method of evaluation an analysis of the production control and of the materials focused in the MES functionalities. The method is dedicated to companies that work with the logic of the engineering-to-order. At first, a bibliographic research was done looking for subjects related to: Production Systems; Production Systems Classifications; Toyota Production System; Planning Programming and Control of Production and Materials; Workstation Management; Capacity X Demand and Manufacturing Execution System. Once the theoretical framework proposed, the research was done by adopting an Holistic single case study. Finished the selection of research method, there were outlined the steps of the work method. In the sequence, it was proposed the method of assessment and analysis of the function of control of production and materials. In the development of this work, it was detailed the PPCPM of the company and of the production processes, planning, programming and control. After the overview of the processes of the company, analyzing the functionalities of the manufacturing execution system for companies of the engineering upon request type, it were mapped the functionalities that exist and that are necessary for the company improvement of the accuracy of the information for the PPCPM. After the case study, it were collected the main points for improvement focused on the control function of the PPCPM, this improvement points were analyzed by focusing on control systems for factory-floor type MES (Manufactory Execution System). As the conclusion, it was noted that the built method was robust and synchronized with the reality faced within the company used to perform the case study.
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Saad, Ibrahim Mohamed Mohamed. "Extracting Parallelism from Legacy Sequential Code Using Transactional Memory." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/71861.
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Increasing the number of processors has become the mainstream for the modern chip design approaches. However, most applications are designed or written for single core processors; so they do not benefit from the numerous underlying computation resources. Moreover, there exists a large base of legacy software which requires an immense effort and cost of rewriting and re-engineering to be made parallel.
In the past decades, there has been a growing interest in automatic parallelization. This is to relieve programmers from the painful and error-prone manual parallelization process, and to cope with new architecture trend of multi-core and many-core CPUs. Automatic parallelization techniques vary in properties such as: the level of paraellism (e.g., instructions, loops, traces, tasks); the need for custom hardware support; using optimistic execution or relying on conservative decisions; online, offline or both; and the level of source code exposure.
Transactional Memory (TM) has emerged as a powerful concurrency control abstraction. TM simplifies parallel programming to the level of coarse-grained locking while achieving fine-grained locking performance. This dissertation exploits TM as an optimistic execution approach for transforming a sequential application into parallel. The design and the implementation of two frameworks that support automatic parallelization: Lerna and HydraVM, are proposed, along with a number of algorithmic optimizations to make the parallelization effective.
HydraVM is a virtual machine that automatically extracts parallelism from legacy sequential code (at the bytecode level) through a set of techniques including code profiling, data dependency analysis, and execution analysis. HydraVM is built by extending the Jikes RVM and modifying its baseline compiler. Correctness of the program is preserved through exploiting Software Transactional Memory (STM) to manage concurrent and out-of-order memory accesses. Our experiments show that HydraVM achieves speedup between 2×-5× on a set of benchmark applications.
Lerna is a compiler framework that automatically and transparently detects and extracts parallelism from sequential code through a set of techniques including code profiling, instrumentation, and adaptive execution. Lerna is cross-platform and independent of the programming language. The parallel execution exploits memory transactions to manage concurrent and out-of-order memory accesses. This scheme makes Lerna very effective for sequential applications with data sharing. This thesis introduces the general conditions for embedding any transactional memory algorithm into Lerna. In addition, the ordered version of four state-of-art algorithms have been integrated and evaluated using multiple benchmarks including RSTM micro benchmarks, STAMP and PARSEC. Lerna showed great results with average 2.7× (and up to 18×) speedup over the original (sequential) code.
While prior research shows that transactions must commit in order to preserve program semantics, placing the ordering enforces scalability constraints at large number of cores. In this dissertation, we eliminates the need for commit transactions sequentially without affecting program consistency. This is achieved by building a cooperation mechanism in which transactions can forward some changes safely. This approach eliminates some of the false conflicts and increases the concurrency level of the parallel application. This thesis proposes a set of commit order algorithms that follow the aforementioned approach. Interestingly, using the proposed commit-order algorithms the peak gain over the sequential non-instrumented execution in RSTM micro benchmarks is 10× and 16.5× in STAMP.
Another main contribution is to enhance the concurrency and the performance of TM in general, and its usage for parallelization in particular, by extending TM primitives. The extended TM primitives extracts the embedded low level application semantics without affecting TM abstraction. Furthermore, as the proposed extensions capture common code patterns, it is possible to be handled automatically through the compilation process. In this work, that was done through modifying the GCC compiler to support our TM extensions. Results showed speedups of up to 4× on different applications including micro benchmarks and STAMP.
Our final contribution is supporting the commit-order through Hardware Transactional Memory (HTM). HTM contention manager cannot be modified because it is implemented inside the hardware. Given such constraint, we exploit HTM to reduce the transactional execution overhead by proposing two novel commit order algorithms, and a hybrid reduced hardware algorithm. The use of HTM improves the performance by up to 20% speedup.Ph. D.
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Salomi, Maíra Beauchamp. "O acordo de leniência e seus reflexos penais." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/2/2136/tde-11102012-085658/.
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Com as mudanças do mundo moderno surgiu uma justificada preocupação global com a crescente prática de delitos contra a ordem econômica e a dificuldade que as autoridades enfrentam para apurá-los. Para socorrê-las surge o acordo de leniência, instrumento de investigação altamente eficaz de ampla aplicação em nações estrangeiras. Mas não por isso, este instituto deve ser importado ao nosso ordenamento tal qual utilizado em terras alienígenas, ignorando-se os direitos do delator e em flagrante desrespeito aos princípios constitucionais. Diante dessa problemática, o presente trabalho tem por objetivo realizar uma análise crítica acerca deste acordo e dos reflexos que provoca no âmbito penal, a fim de serem detectadas as falhas e incongruências de seu procedimento, bem como os seus aspectos inconstitucionais e, com isso, contribuir para a sua adequação ao ordenamento jurídico e seu desenvolvimento como meio de investigação para o combate aos crimes contra a ordem econômica, sobretudo, a formação de cartel. Em vista disso, será feito um estudo inicial sobre a relação entre Direito e Economia, Direito Concorrencial, seus interesses e a necessidade de tutela, inclusive pela via penal, da concorrência pelo Estado. Posteriormente, passar-se-á à análise das condutas anticoncorrenciais e dos crimes contra a ordem econômica, constatando-se os empecilhos para a investigação de tais delitos. A partir deste exame, far-se-á uma apresentação do acordo de leniência, suas origens, sua regulamentação em outros países para, então, a par das preocupações éticas que o circundam, realizar uma apreciação crítica dos efeitos que provoca na esfera penal. Ao final, em concordância com a necessidade de se manter o instituto, o presente trabalho buscará sanar as deficiências da atual legislação sobre o tema e, inclusive, da recémaprovada Lei nº 12.529/2011 , propondo alterações que visam minimizar a discricionariedade, o subjetivismo e a insegurança jurídica que permeiam o acordo, de modo a adequá-lo aos ditames constitucionais e torná-lo mais atraente aos candidatos.The modern world has undergone changes that justify the global concern with the increasing occurrence of criminal offenses against the economic order and with the difficulty the authorities face to ascertain them by investigation. Precisely to aid the authorities, looms the leniency agreement, a highly effective investigation instrument of broad use in foreign countries. In spite of that, this institute shall not be imported to our legal system as regularly applied abroad ignoring the rights of the delator and of flagrant disrespect to constitutional principles. Before this issue, the current paper has the objective to promote a critical analysis concerning the leniency agreement and the reflexes it triggers in the criminal field, in order to evidence the flaws and incompatibility of its procedure, as well as its unconstitutional aspects, by that, be able to contribute with its suitability to the criminal systemand to its development as a mean of investigation to fight crimes against the economic order, overall, the formation of cartel. Due to that, an initial study is proposed about the relation between Law and Economics, Competition Law, their interests and the need of tutelage containing the criminal manner and the competition by the State. Later, an analysis of anti-competitive conducts and of crimes against the economic order containing the impediments to the investigation of such criminal offenses. Resulting from this examination, there will be a presentation of the leniency agreement, its origins, regulations in other countries, so that, in addition to the ethical concerns that surround the agreement, be possible the fulfillment of critical appraisal to the effects it causes in the criminal field. Finally, in accordance to the need to support the institute, the current paper seeks to heal the gaps of the current legislation related to the theme including, the newly approved Law number 12.529/2011 proposing changes that aim at minimizing the discretion, subjectivism and juridical insecurity that permeates the agreement, in a way to adequate it to the constitutional precepts and make it become more engaging to the candidates.
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Poudel, Pavan. "Tools and Techniques for Efficient Transactions." Kent State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=kent1630591700589561.
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Poudel, Pavan. "Tools and Techniques for Efficient Transactions." Kent State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=kent1630591700589561.
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Прохасько, Ю. С., and Yu S. Prohasko. "Совершенствование механизма ценообразования на продукцию предприятий ВПК РФ : магистерская диссертация." Master's thesis, б. и, 2021. http://hdl.handle.net/10995/97954.
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Методика ценообразования и снижение доли накладных расходов в составе себестоимости продукции может являться одним из конкурентных преимуществ предприятий, выполняющих Государственный оборонный заказ. Целью магистерской диссертации является разработка методического подхода к ценообразованию на продукцию оборонных предприятий, ориентированного на получение преимуществ при распределении бюджетных средств. В работе рассматривается понятие эффективности расходов бюджета на выполнение Государственного оборонного заказа, вопросы ценообразования на оборонную продукцию и возможности повышения конкурентоспособности предприятий отрасли. В качестве источников использовалась научно-исследовательская и методическая литература, нормативно-правовые акты и финансовая отчетность организаций в открытом доступе. В магистерской диссертации был предложен методический подход к ценообразованию на продукцию предприятий оборонно-промышленного комплекса России, основанный на разработанной модели распределения накладных расходов между видами оборонной продукции, для целей формирования рейтинга конкурентоспособности претендентов по критерию эффективного использования бюджетных ресурсов.The pricing methodology and the reduction of the share of overhead costs in the cost of production can be one of the competitive advantages of enterprises that fulfill the State Defense Order. The purpose of the master's thesis is to develop a methodological approach to pricing for the products of defense enterprises, focused on obtaining advantages in the distribution of budget funds. The paper deals with the concept of the efficiency of budget expenditures for the implementation of the State Defense Order, the issues of pricing for defense products and the possibility of improving the competitiveness of enterprises in the industry. The sources used were research and methodological literature, regulatory legal acts and financial statements of organizations in the public domain. In the master's thesis, a methodological approach to pricing for the products of enterprises of the Russian military-industrial complex was proposed, based on the developed model of the distribution of overhead costs between types of defense products, for the purpose of forming a rating of the competitiveness of applicants according to the criterion of effective use of budget resources.
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Iuga, Relu Adrian. "Modélisation et analyse statistique de la formation des prix à travers les échelles, Market impact." Thesis, Paris Est, 2014. http://www.theses.fr/2014PEST1090/document.
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Le développement des marchés électroniques organisés induit une pression constante sur la recherche académique en finance. L'impact sur le prix d'une transaction boursière portant sur une grande quantité d'actions sur une période courte est un sujet central. Contrôler et surveiller l'impact sur le prix est d'un grand intérêt pour les praticiens, sa modélisation est ainsi devenue un point central de la recherche quantitative de la finance. Historiquement, le calcul stochastique s'est progressivement imposé en finance, sous l'hypothèse implicite que les prix des actifs satisfont à des dynamiques diffusives. Mais ces hypothèses ne tiennent pas au niveau de la ``formation des prix'', c'est-à-dire lorsque l'on se place dans les échelles fines des participants de marché. Des nouvelles techniques mathématiques issues de la statistique des processus ponctuels s'imposent donc progressivement. Les observables (prix traité, prix milieu) apparaissent comme des événements se réalisant sur un réseau discret, le carnet d'ordre, et ceci à des échelles de temps très courtes (quelques dizaines de millisecondes). L'approche des prix vus comme des diffusions browniennes satisfaisant à des conditions d'équilibre devient plutôt une description macroscopique de phénomènes complexes issus de la formation des prix. Dans un premier chapitre, nous passons en revue les propriétés des marchés électroniques. Nous rappelons la limite des modèles diffusifs et introduisons les processus de Hawkes. En particulier, nous faisons un compte rendu de la recherche concernant le maket impact et nous présentons les avancées de cette thèse. Dans une seconde partie, nous introduisons un nouveau modèle d'impact à temps continu et espace discret en utilisant les processus de Hawkes. Nous montrons que ce modèle tient compte de la microstructure des marchés et est capable de reproduire des résultats empiriques récents comme la concavité de l'impact temporaire. Dans le troisième chapitre, nous étudions l'impact d'un grand volume d'action sur le processus de formation des prix à l'échelle journalière et à une plus grande échelle (plusieurs jours après l'exécution). Par ailleurs, nous utilisons notre modèle pour mettre en avant des nouveaux faits stylisés découverts dans notre base de données. Dans une quatrième partie, nous nous intéressons à une méthode non-paramétrique d'estimation pour un processus de Hawkes unidimensionnel. Cette méthode repose sur le lien entre la fonction d'auto-covariance et le noyau du processus de Hawkes. En particulier, nous étudions les performances de cet estimateur dans le sens de l'erreur quadratique sur les espaces de Sobolev et sur une certaine classe contenant des fonctions « très » lissesThe development of organized electronic markets induces a constant pressure on academic research in finance. A central issue is the market impact, i.e. the impact on the price of a transaction involving a large amount of shares over a short period of time. Monitoring and controlling the market impact is of great interest for practitioners; its modeling and has thus become a central point of quantitative finance research. Historically, stochastic calculus gradually imposed in finance, under the assumption that the price satisfies a diffusive dynamic. But this assumption is not appropriate at the level of ”price formation”, i.e. when looking at the fine scales of market participants, and new mathematical techniques are needed as the point processes. The price (last trade, mid-price) appears as events on a discrete network, the order book, at very short time scales (milliseconds). The Brownien motion becomes rather a macroscopic description of the complex price formation process. In the first chapter, we review the properties of electronic markets. We recall the limit of diffusive models and introduce the Hawkes processes. In particular, we make a review of the market impact research and present this thesis advanced. In the second part, we introduce a new model for market impact model at continuous time and living on a discrete space using process Hawkes. We show that this model that takes into account the market microstructure and it is able to reproduce recent empirical results as the concavity of the temporary impact. In the third chapter, we investigate the impact of large orders on the price formation process at intraday scale and at a larger scale (several days after the meta-order execution). Besides, we use our model to discuss stylized facts discovered in the database. In the fourth part, we focus on the non-parametric estimation for univariate Hawkes processes. Our method relies on the link between the auto-covariance function and the kernel process. In particular, we study the performance of the estimator in squared error loss over Sobolev spaces and over a certain class containing "very'' smooth functions
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Cordeiro, Rodrigo Aiache. "Poder econômico e livre concorrência: uma análise da concorrência na constituição da Republica Federativa do Brasil de 1988." Universidade Presbiteriana Mackenzie, 2007. http://tede.mackenzie.br/jspui/handle/tede/1199.
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Previous issue date: 2007-08-27Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
This dissertation aims to analyze the Constitutional Principle of Free Competition, specifically regarding its role as fact the limits the abuse of economical power. In order to accomplish that goal, it was necessary to define what economical power is and in what moment the application of that power turned out to be abusive; but not putting apart other aspects that concern that issue, such as: the general definition of power and its relations with the law system. It was also analyzed, in a general way, the legal principles, considering the conception of the word principle , its own evolutional and normative origin, the distinction between principles and rules, the notion of legal system and the relevance of the principles concerning the society s evolution. So, the following step consisted in studying some general aspects related to the competition, aiming to better understand the role played by the principle inserted into the article 170, incision IV, of the Brazilian Constitution. Having this in mind, an approach was made to the historical evolution of the competition until now, the etymological origin of the words competition and rivalry , the accurate definition of what free competition is, and to other relevant aspects. In doing so, in the last chapter, which is the kernel of this paper, the Constitutional Principle of Competition and its contribution to the limitation to the economical power has been explained in details, and also clarified its content, its interests that effectively protect itself, its distinction from the postulate of free initiative, its pragmatic character and its efficacy, but not forgetting the other matters related to the issue, and that are equally important, they are: the role of the State in defense of the free competition, the action of the agencies that regulate the maintenance of a healthy market, the process of concentration, the defense of the competition and the influence of the tax incentive toward the competition.
A presente dissertação tem por escopo principal analisar o Princípio Constitucional da Livre Concorrência, especificamente, no que toca à sua atuação como fator limitador ao abuso do poderio econômico. Para tanto, foi necessário delinear o que é Poder Econômico e a partir de que momento o uso deste poder passa a ser abusivo, sem deixar de lado outros aspectos relacionados ao tema como, por exemplo, a definição genérica de poder, as relações deste com o direito etc. Vencida a primeira etapa, no segundo capítulo, fez-se uma análise dos princípios jurídicos de maneira geral, apreciando a conceituação da palavra princípio , seu iter evolucional e normatividade, a distinção entre princípios e regras, a noção de sistema jurídico e a importância dos princípios no que diz respeito à evolução da sociedade. O passo seguinte foi o estudo de alguns aspectos gerais relativos à concorrência, com intuito de melhor entender o papel desempenhado pelo princípio inserto no artigo 170, inciso IV, da Constituição Federal. Assim, abordou-se a evolução histórica da concorrência desde a Antigüidade até os tempos atuais, a origem etimológica das palavras concorrência , competição e rivalidade , a determinação precisa do que é livre concorrência , dentre outros aspectos relevantes. Finalmente, no último capítulo, e cerne deste trabalho, explicitou-se, pormenorizadamente, o Princípio Constitucional da Livre Concorrência e sua contribuição para a limitação do poder econômico, aclarando seu conteúdo, os interesses que efetivamente protege, sua diferenciação com o postulado da livre iniciativa, seu caráter instrumental e sua eficácia, não esquecendo de outros assuntos relacionados ao tema, e igualmente importantes, a saber: o papel destinado ao Estado na defesa da livre concorrência, a atuação das agências reguladoras na manutenção de um mercado saudável, o processo de concentração e a defesa da concorrência e a influência dos incentivos fiscais na concorrência.
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El, Hajoui Sanae. "Le droit des pratiques anticoncurrentielles : entre ordre public concurrentiel et sécurité juridique des opérateurs économiques." Thesis, Paris 1, 2013. http://www.theses.fr/2013PA010270.
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Le droit de la concurrence, droit spécial, économique et d'ordre public, apparaît comme un droit envahissant. Il est à l'origine de perturbation et de dérogation à la liberté d'entreprendre et à la liberté contractuelle. Dès lors, l'immixtion du droit de la concurrence au nom de l'ordre public concurrentiel soulève des interrogations sur le devenir de la sécurité juridique des opérateurs économiques. Le droit de la concurrence est devenu le siège d'une tension entre l'impératif d'efficacité des autorités de la concurrence et l'impératif de sécurité juridique, dont les opérateurs économiques ont besoin. Le droit de la concurrence par l'étendue de son emprise, ses méthodes de qualification, les moyens d'intervention mis à la disposition des autorités de la concurrence, produit-il de l'insécurité juridique ou bien au contraire, participe-t-il pleinement à la prise en compte de la sécurité juridique? S'il est vrai que l'immixtion du droit de la concurrence peut constituer une menace pour la liberté d'entreprendre et la liberté contractuelle, il se peut que ses effets néfastes ne soient pas aussi importants et graves qu'il y paraît.Ce serait avoir une vision réductrice et pessimiste des relations entre l'impératif de maintien de l'ordre public concurrentiel et celui de la sécurité juridique que d'envisager exclusivement les contraintes et les atteintes en occultant les apports du droit de la concurrence à la sécurité juridique des opérateurs économiques: La présente thèse propose d'analyser la manière dont les impératifs précités se distinguent ou se rejoignent, se développent, bref d'établir leur parenté plus ou moins proche, pour apprécier leur place et leur articulationCompetition law is a very particular economic law, responding to public order. Thereby it appears to be an invasive law. It imposes constraints and causes exceptions to the freedom of enterprise and freedom of contract. Therefore, the interference of competition law in the name of competitive public order raises questions about the future of legal certainty for economic operators. The competition law became a source of tension between the need for effective competition authorities and the principle of legal certainty, which traders need. The question is whether the compelilion law by the extent of its influence, its methods of qualification and means of intervention available to the competition authorities, produces legal uncertainty or on the conb:ary participates full y in the consideration of legal certainty? If it is true that the interference of competition law may pose threats to the freedom of enterprise and freedom of conh·act, it may be that its adverse effects are not as important and serious as it appears to be. The fact to consider only the constraints and hindrances to the relationship between the requirement of maintaining the competitive public order and the principle of legal security would be a reductive and pessimistic vision, it obscures the contributions of cornpetition law to economic operator's legal security. This thesis aims to analyze how the above requirements concur and/ or differ and evolve. The objective is to establish their relationship, to better appreciate their place and articulation
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Neves, Luiz das. "O modelo antitruste brasileiro (Lei nº 12.529/2011)." Pontifícia Universidade Católica de São Paulo, 2015. https://tede2.pucsp.br/handle/handle/6837.
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Previous issue date: 2015-08-28This thesis aims to present the Brazilian Competition Law, from international sources of its formation and dynamism to the rules insertion in Brazil and current legislation, Law No. 12.529 / 11. From literature searches containing doctrines, history and law, as well as research in newspapers and websites, the work began by the elements that gave rise to antitrust formatting, a brief historical overview, theoretical and multidisciplinary of the Institute, to finally reach the legal classic figures of the current antitrust analysis. Following the study of the modeling of the Brazilian antitrust system, its historical, constitutional issues and better adaptation from the constitutional will of 1988, by the market economy in which the Law No. 12.529/11 did well to reassure a antitrust defense and to restructure the Brazilian System of Competition Defense. At last, by using the menus of trials from CADE and newspaper articles, as well as verification of public databases, we tried to extract conclusions on the good technique of the national antitrust and its adaptation to the Brazilian reality
Esta dissertação tem como objetivo apresentar o Direito Concorrencial Brasileiro, desde as fontes internacionais de sua formação e dinamismo, até a inserção normativa no Brasil e sua atual legislação, Lei nº12.529/11. A partir de pesquisas bibliográficas contendo doutrinas, história e legislação, bem como pesquisas em jornais e sites, iniciou-se o trabalho pelos elementos que deram origem à formatação do antitruste, numa breve visão histórica, teórica e multidisciplinar do instituto, até chegar às figuras jurídicas clássicas da análise antitruste atual. Em seguida, ingressou-se no estudo da modelagem do sistema antitruste brasileiro, seus aspectos históricos, constitucionais e de melhor adequação a partir da vontade constitucional de 1988, pela economia de mercado, no qual a Lei nº12.529/11 fez bem em reafirmar a defesa da concorrência e reestruturar o Sistema Brasileiro de Defesa da Concorrência. Por fim, utilizando-se de ementas de julgados do CADE e de matérias jornalísticas, além da verificação dos bancos de dados públicos, procurou-se extrair conclusões sobre a boa técnica do antitruste nacional e sua adequação à realidade brasileira
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Bittencourt, Bruno Ramon Chaves. "Princípios da liberdade econômica e da igualdade face à tributação : limites constitucionais às discriminações tributárias." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2015. http://hdl.handle.net/10183/127988.
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O presente estudo tem como escopo examinar os limites constitucionais da influência da tributação nas atividades econômicas dos Contribuintes, à luz dos princípios e postulados da livre iniciativa, da livre concorrência, da igualdade, da proporcionalidade e da proibição do excesso. A indagação geral que impulsionará a pesquisa é a seguinte: pode a tributação, de forma indistinta, determinar como os Contribuintes devem agir ao plasmar suas atividades econômicas, ou há algum limite a partir do qual a influência da tributação sobre as livres escolhas dos Contribuintes não pode mais avançar? Quais as normas resultantes das interações entre direito tributário e direito econômico? Quais limites a igualdade impõe ao uso de medidas extrafiscais? De quais ferramentas dispõe o aplicador para realizar a liberdade econômica e a igualdade? Como a tese do legislador negativo representa um entrave para a realização dos princípios e postulados em questão? Quais paradigmas estão por trás de tal tese? Mais especificamente, examinaremos alguns casos concretos que ilustrem os problemas em questão e permitam um aprofundamento dos pontos discutidos na pesquisa. O primeiro caso será o das empresas excluídas do SIMPLES cuja exclusão esteja motivada pelo simples exercício de determinada atividade econômica, buscando elucidar se tal discriminação encontra suporte no ordenamento jurídico brasileiro, considerando o seguinte: existindo um critério objetivo para definir quais empresas podem gozar dos benefícios do SIMPLES, qual seja, a receita bruta anual da empresa, pode o Poder Legislativo adotar critério distintivo diverso (a atividade econômica desenvolvida pela empresa) para fins de enquadramento no referido regime tributário? Tal discriminação em função da atividade econômica do Contribuinte encontra respaldo na Constituição Federal? Se a liberdade econômica é um limite à tal discriminação, quais são seus elementos e eficácia jurídica? O segundo caso, que impõe questionamentos semelhantes, é o da exclusão da possibilidade de creditamento da mão-de-obra de pessoas físicas utilizada como insumo por Contribuintes do PIS e da COFINS não-cumulativos.This paper aims to verify which are the constitutional limitations to the influence of taxation over taxpayers’ economic activities, in the light of the principles and postulates of freedom of enterprise, free competition, equality, proportionality and the prohibition of excessive influence. The general enquiry that will guide this research is the following: can taxation, indistinctly, determine how taxpayers shall act when choosing and directing their economic activities, or are there some limitations that compel the government to not influence taxpayers' economic choices? What are the norms resulting from interactions between tax law and economic law? What limits does equality imposes to the use of behavior influent taxation? Which are the tools available to the judges to promote economic freedom and equality? How does the thesis of negative legislative power represents an obstacle to the achievement of such principles and postulates by the courts? What are the paradigms behind such thesis? More specifically, we are going to examine some cases that illustrate the problems abovementioned and allow us to go deeper in points discussed in this research. The first case is the exclusion of companies from tax benefit program called SIMPLES (for small business), whose exclusion is determined by the simple fact of exercise of a specific economic activity. We are going to exam it in order to elucidate if Brazilian law sustains such discrimination, considering the following: if the law choses one criteria to grant the tax benefits of SIMPLES (company's economic size measured by gross income), can the legislator choose another criteria (company's economic activity) to exclude it from the tax benefit program? Is it grounded in Brazilian Constitution the discrimination based upon the simple adoption of an economic activity? If freedom of enterprise is a limitation to such discrimination, which are its elements and legal effectiveness? The second case, which implies similar questions, is the exclusion of the possibility of crediting the labor of natural persons used as an input for taxpayers of non-cumulative PIS and COFINS (social contributions over gross income - VAT).
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Fevre, Raphaël. "L'ordolibéralisme (1932-1950) : une économie politique du pouvoir." Thesis, Paris 1, 2017. http://www.theses.fr/2017PA01E029.
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Cette thèse propose une histoire intellectuelle de l’ordolibéralisme (1932-1950), centrée sur les travaux de Walter Eucken et Wilhelm Röpke, incluant également des références à Franz Böhm, Alexander Rüstow, Leonhard Miksch et Friedrich Lutz. Il s’agit de répondre à la question suivante : comment expliquer que la pensée ordolibérale ait eu les ressources intellectuelles pour peser sur la reconstruction allemande de l’après-guerre Seconde Guerre mondiale ? Répondre à cette interrogation exige, dans un premier temps, de définir clairement ce qu’est l’ordolibéralisme dans son contexte discursif d’apparition. La thèse établit d’abord que l’ordolibéralisme, dans ses composantes épistémologique (Chap. 1), théorique (Chap. 2), idéologique (Chap. 3) ou politique (Chap. 4), peut être défini comme une économie politique du pouvoir : c’est-à-dire une forme de savoir économique, plutôt qu’une sous variété de (néo)libéralisme. L’objectif premier de cette économie politique est de conduire une analyse des sources, des manifestations et des conséquences du pouvoir dans la sphère sociale. Dans un deuxième temps, la thèse montre en quoi cette identité a pu jouer positivement dans la fondation d’une rationalité politique dans les années d’après-guerre en Allemagne de l’Ouest (Chap. 5), et négativement comme rempart aux programmes concurrents, et en particulier face à celui de John Maynard Keynes (Chap. 6). En définitive, la thèse interroge le discours ordolibéral dans sa capacité à servir de référence à des politiques économiques allemandes, puis européennes : une pérennité accompagnée d’une profonde transformation d’une économie politique du pouvoir initial à la forme contemporaine de l’orthodoxie ordolibéraleThis thesis retraces the intellectual history of ordoliberalism, focusing in particular on the works of Walter Eucken and Wilhelm Röpke, with references to the contributions of Franz Böhm, Alexander Rüstow, Leonhard Miksch and Friedrich Lutz. The main question it addresses is the following: how can we explain the fact that ordoliberal thought had the intellectual resources to weight on German post-war reconstruction? In order to answer it, it is necessary to provide a clear definition of ordoliberalism in its discursive context. First the thesis shows that ordoliberalism, in its epistemological (Chap. 1 ), theoretical (Chap. 2), ideological (Chap. 3) and political (Chap. 4) components, can be defined as a political economy of power, i. e. a form of economic knowledge, whose primary objective is to analyse the sources, the action and the impact of power within society; in other words, as a specific doctrine rather than a sub-species of (neo) liberalism. Secondly, the thesis illustrates how this identity played a positive role in promoting a form of political rationality in the post-war years in West Germany (Chap. 5), but also a negative one by excluding rival political programs, such as that of John Maynard Keynes (Chap. 6). Finally, the thesis investigates the ordoliberal discourse as a benchmark for German, and then European, economic policies: a persistence that went together with its radical transformation from the initial political economy of power, to the contemporary form of ordoliberal orthodoxy
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Galal, Sayed Mazin. "Le pacte d'actionnaires en droit égyptien sous le prisme du droit français." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE2021/document.
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Les pactes d’actionnaires, conventions adoptées par les protagonistes des affaires internationales, répondent aux attentes des administrateurs et actionnaires quant à la circulation des actions et des parts sociales. Par contre, hors le marché règlementé, la liberté contractuelle accordée à la société – et actionnaires – de recourir à ce type d’arrangement contractuel, se heurte à la réalité légale et jurisprudentielle qui demeure la seule source de droit régissante cette convention. En optant pour la conclusion d’un pacte d’actionnaires, aucune disposition légale, notamment article de droit, ne régit cette convention. Ce contrat reste donc soumis aux règles de droit commun. Cette particularité accorde aux protagonistes une certaine liberté de rédaction, ce qui créé une originalité quant à la forme, au fond et aux effets de l’application du pacte. Reconnu, dans le monde des affaires français – tant par le législateur français que par les praticiens et protagonistes, comme étant une des formes adaptées à la gestion leurs sociétés, le législateur égyptien découvre encore cette forme contractuelle. La mondialisation, culturelle et commerciale, a non seulement permis de rapprocher entre les commerçants afin de trouver des solutions créatives quant à la conclusion des pactes d’actionnaires, mais aussi aux législateurs, autant bien français qu’égyptiens, de trouver des solutions quant aux problématiques qui s’opposent aux praticiens lors de la négociation, la conclusion ou même l’exécution de ces contrats. L’objet de cette étude sera d’examiner les particularités des pactes d’actionnaires dès la phase des négociations, passant par les phases de conclusion et exécution, jusqu’à la phase conflictuelle. Cette étude visera le modèle français, ayant déjà avancé sur ce domaine, en le comparant au modèle égyptien qui commence à se familiariser avec cette pratique. Bien que ces deux exemples demeurent toujours en voie d’évolution, le recours à ce type de contrat révèle des particularités et difficultés lors de son application, ce qui incitera les protagonistes à trouver des modalités novatrices permettant une mise en œuvre plus efficace de ces contrats et répondant à leurs attentesThe shareholder agreements, considered as the one of the major contracts concluded by and between the actors of the international affairs, meet the expectations of the companies’ directors and shareholders regarding the transfer of stocks and shares. Nevertheless, outside the regulated market, the principle of contractual freedom accorded to the company - and its shareholders - to resort to this type of contractual arrangement, faces both legal and jurisprudential realities, which remains the only source of law governing this agreement.By choosing to undertake a shareholder agreement, no legal provision, including article nor law, governs this type of agreement. This agreement is therefore subject to the dispositions of the applicable general law. This feature gives the parties some freedom on drafting the agreement, which affects the form and content of the contract and produce its effects on the contract’s application. vWhile this agreement is frequently used in the French business practice - both by the French legislature and by practitioners and shareholders, and considered as one of the forms used to manage the companies, the Egyptian legislation is still discovering this contractual management form.The cultural and commercial globalization has not only helped traders to find creative solutions by entering into this agreement, but it has also helps the French and Egyptian legislations to find solutions as to issues that oppose practitioners during the negotiation of the contract, its conclusion or even during its execution.The purpose of this study is to examine the features of the shareholder agreements starting from the negotiations phase, through the conclusion and execution phases, until the conflictual phase. This study will focus on the French model, having already progressed in this area, compared to the Egyptian model that begins to become familiar with this practice. Although these two examples are still in process of evolution, the use of this type of contracts reveals the peculiarities and difficulties in its implementation, which will encourage the parties to find more innovative methods for more effective implementation of these contracts in order to meet their mutual expectations
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Hess, Manon. "Restauration écologique des communautés végétales après éradication d'espèces invasives : Rôle de la dynamique de colonisation et des effets de priorité Using limiting similarity to enhance invasion resistance: theoretical and practical concerns Priority effects: Emerging principles for invasive plant species management Giving recipient communities a greater head start and including productive species boosts early resistance to invasion." Thesis, Avignon, 2020. http://www.theses.fr/2020AVIG0357.
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Les plantes invasives posent d’importants problèmes environnementaux et de santé publique, et leur contrôle est aujourd’hui un défi majeur. Elles rencontrent des conditions particulièrement favorables après des perturbations conduisant à une suppression du couvert végétal. La mise en place d’un couvert végétal séquestrant rapidement ces ressources parait alors une réponse probante pour réduire l’invasion. Néanmoins, les caractéristiques des communautés nécessaires pour exercer une résistance efficace dans les premières phases d’installation sont encore peu connues.Je me suis intéressée à deux mécanismes qui pourraient influencer la résistance à l’invasion des communautés végétales herbacées lors des premiers stades d’installation après une perturbation majeure, que sont (1) la ‘limiting similarity’, impliquant que la coexistence d’espèces partageant la même niche écologique est limitée par l’exclusion compétitive, et (2) les effets de priorité, qui surviennent lorsque l’installation d’une espèce affecte la performance ou la survie d’une espèce arrivant par la suite. L’examen de la littérature confirme que l’application de la ‘limiting similarity’ pour lutter contre les plantes invasives est complexe et n’a, jusqu’à aujourd’hui, fait preuve d’efficacité. Intégrer les effets de priorité aux méthodes de contrôle des plantes invasives après une perturbation semble d’avantage prometteur. Une des stratégies consiste en la mise en place d’un couvert végétal exerçant de forts effets de priorité négatifs, diminuant le succès d’installation des plantes invasives. Deux expérimentations en serre ont été réalisées à cet effet, visant à jouer sur les effets de priorité de la communauté native receveuse afin d’en comprendre l’implication dans la résistance à l’invasion. Dans une première expérimentation, le temps d’avance de la communauté receveuse sur l’arrivée de trois espèces invasives (i.e. Ambrosia artemisiifolia, Bothriochloa barbinodis et Cortaderia selloana), la composition en espèces et la densité des semis ont été manipulés. Une meilleure résistance à l’invasion a été observée lorsque les communautés produisent une forte biomasse aérienne, cette dernière étant associée à la présence d’espèces productives. Retarder l’arrivée des espèces invasives a également réduit le succès d’invasion, mais ceci uniquement lorsque la production de biomasse était suffisamment importante. Une seconde expérimentation a porté sur l’influence de l’identité de la première espèce installée dans la communauté receveuse ainsi que l’ordre de semis des espèces (semis simultané de la communauté ou séquentiel) sur la structuration de la communauté et les conséquences sur sa résistance à l’invasion par A. artemisiifolia. Des différences minimes dans la dynamique de colonisation de la communauté receveuse a substantiellement affecté sa structure, sa production de biomasse, la concentration du sol en nutriments, ainsi que sa résistance précoce à l’invasion. Le semis séquentiel a généralement diminué la résistance à l’invasion par rapport au semis simultané de l’ensemble de la communauté. Les espèces installées en premier ont généré des effets de priorité d’intensité variable, vraisemblablement par le biais de la compétition racinaire, impactant l’invasibilité.En conclusion, la dynamique de colonisation a considérablement influencé le succès d'invasion par le biais de différences de production de biomasse et de préemption des ressources. Les effets de priorité des communautés récemment établies et la résistance à l'invasion associée pourraient être améliorés en (1) maximisant le temps d’avance à la communauté receveuse par rapport aux espèces invasives, (2) introduisant des espèces capables de produire rapidement de la biomasse et de préempter les ressources du sol, et (3) évitant le semis séquentiel, en particulier lorsque les premières espèces installées sont des espèces productives fixatrices d'azoteInvasive plant species cause serious environmental and sanitary issues and their control is today a major challenge. Disturbances involving vegetation removal and an increase in resource availability offer particularly favorable conditions for invasive plant colonization. Establishing a plant cover rapidly sequestering resources could be a relevant strategy to limit invasion. However, little is known about the characteristics enabling newly established communities to exert strong invasion resistance, especially in the early growth stages.In this thesis, I focused on two potential determinants of invasion resistance of herbaceous plant communities in the early growth stages after a major disturbance, which are (1) the concept of limiting similarity, stating that the coexistence of species sharing the same ecological niche is limited by competitive exclusion, and (2) priority effects, which occur when the establishment of a species affects the performance or survival of later arriving species. The application of limiting similarity to control invasive plants appears complex, ineffective and unsuitable for the most common situations. In contrast, integrating priority effects into invasive plant management strategies seems more promising. One strategy consists in restoring a plant cover exerting strong negative priority effects, decreasing the success of subsequent invasive plant establishment. In two greenhouse experiments, I explored the role of priority effects in early invasion resistance. In a first experiment, I manipulated species composition, sowing density and the elapsed time between community sowing and invasion by Ambrosia artemisiifolia, Bothriochloa barbinodis and Cortaderia selloana. A higher invasion resistance was observed when communities produced a high aboveground biomass, which was associated with the presence of productive species. Delaying invasive species arrival also decreased invasion success, but only if it allowed a sufficient increase in biomass production. A second experiment investigated how the identity of the first native colonizer (one of two grasses: Dactylis glomerata and Lolium perenne, or one of two legumes: Onobrychis viciifolia and Trifolium repens) and the timing of species establishment (synchronous vs. sequential sowing) influenced the structuration of the recipient community and its resistance to invasion by A. artemisiifolia. Small differences in assembly history of the recipient community substantially affected community structure, biomass production, soil nutrient content, as well as early invasion resistance. Sequential sowing generally decreased invasion resistance compared with a synchronous sowing. Early colonizers generated priority effects of variable strength most likely via belowground competition, which affected A. artemisiifolia’s invasion success. A prior establishment of the N-fixing legume T. repens particularly boosted A. artemisiifolia’s performance. In conclusions, this thesis work highlights the inadequacy of revegetation strategies based on limiting similarity and reveals promising perspectives of manipulating assembly history and priority effects for designing invasion resistant communities. Assembly history significantly influenced early invasion success by inducing differences in biomass production and resource preemption by the recipient community. Priority effects of newly established communities and associated invasion resistance could be enhanced by (1) giving as much time advance as possible to the recipient community over invasives, (2) introducing species displaying an ability to rapidly produce biomass and preempt soil resources, or (3) avoiding sequential sowing especially when early colonizers are nitrogen-fixing, productive species
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Gourrada, Raphaël. "Agir en système pour conserver l'ordre social : le positionnement politique des élites religieuses au Liban." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEH179.
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Il s’agit tout au long de ce travail d’approcher le politique au Liban, dans sa praxis, en interrogeant les actions d’une catégorie spécifique d’acteurs, les élites religieuses libanaises institutionnalisées. En se penchant sur leurs positionnements politiques, il s’agit d’observer dans quelle mesure la barrière confessionnelle entre ces chefs communautaires est transcendée au profit d’un objectif commun : conserver l’ordre social en vigueur. Pour cela, il convient de se pencher tout d’abord sur les ressources dont disposent ces acteurs pour asseoir et légitimer leur investissement dans le champ politique. Ces ressources sont à la fois d’ordre historique, fruits d’un héritage divergeant certes d’une communauté à l’autre, mais s’inscrivent également dans un cadre structurel et juridique spécifique qui tend à uniformiser les pratiques positionnelles, et qui confère à chacune des instances institutionnalisées les moyens d’un encadrement sociétal. Les ressources d’ordre charismatique et propres à chaque leader ne sont bien évidemment pas à négliger.L’étude des pratiques du positionnement implique de se pencher sur les vecteurs véhiculant la prise de parole, mais également la temporalité et la fréquence dans laquelle cette parole s’insère. Le discours politique se caractérise également par une uniformité flagrante de la rhétorique et du vocabulaire utilisés par ces dominants. La défense d’une cause, à laquelle est liée l’identité du groupe communautaire, le calibrage des stratégies de communication, ainsi que la préservation d’un équilibre nécessaire à entretenir avec le champ politique en terme de distance, sont autant de règles conditionnant la légitimité du discours produit.Ces positionnements n’étant pas sans défis, les acteurs religieux institutionnalisés se doivent également de gérer à la fois la concurrence d’outsiders proposant un discours moins uniforme et donc plus attractif, mais également les potentielles dissensions caractérisant les acteurs du champ religieux, ainsi que leurs relations avec ceux du champ politique. Gérer ces concurrences potentielles implique d’œuvrer en commun, en système, conjointement ou concomitamment, pour produire un discours des élites pour les élites, promouvant la sauvegarde d’un ordre social. En s’affranchissant des grilles de lecture communautaires ou clientélaires, à travers l’observation des positionnements d’acteurs disposant principalement d’un capital symbolique, nous sommes amenés à caractériser la formation d’un nouveau champ des élites de la conservation regroupant les acteurs religieux, mais également une partie du personnel politique œuvrant en vue de cette conservation de l’ordre socialThis work aims at approaching politics in Lebanon in its praxis by questioning the actions of a specific category of actors : the Lebanese institutionalized religious elites. Addressing their political positioning means examining to what extend the confessional boarders can be transcended in order to reach a common goal : preserving the current social order.First, it is thus necessary to question the resources available to these actors in order to establish and legitimate their involvement in the political field. These resources take roots in a historical heritage, which varies from one community to the other, but take place in a structural and legal framework, which tends to harmonize the positional practices and to allow to the institutionalized bodies the means to frame the Lebanese society. The charismatic resources, which vary from one leader to the other, are not to be laid aside.This study of the positional practices involves not only to lay eyes on the vectors carrying the discourses, but also to observe the temporality and the frequency in which said discourses fit. This political discourse is characterized by a blatant uniformity in both rhetoric and vocabulary used by the dominants. Advocating for a cause, thus linked to the very identity of the group, shaping the communication strategies, but also preserving a necessary balance with the political field, in terms of proximity, are so many norms that determine the legitimacy of the produced discourse.This positioning is not without posing some challenges for the institutionalized religious actors who have to deal with the competition of outsiders who offer a less uniform, and thus more attractive discourse, but also with the potential divisions within the religious field, and the oppositions with the political actors. Dealing with these potential competitions implies a common, joint or concomitant action, in system, in order to produce a discourse by the elites and for the elites, promoting the safekeeping of the social order.By avoiding the communitarian and clientelistic reading grids through the observation of the positioning of specific actors who mainly possess symbolic capitals, we are led to shape the constitution of a new field of the conservative elites, gathering not only the religious actors but also a part of the political ones working in order to preserve the social order
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Дільна, З. Ф., and Z. F. Dilna. "Виконання судових рішень у кримінальному провадженні: теоретичний та прикладний аспекти: дисертація." Thesis, ЛНУ ім. Франка, 2014. http://dspace.lvduvs.edu.ua/handle/1234567890/843.
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Дільна З.Ф. Виконання судових рішень у кримінальному провадженні: теоретичний та прикладний аспекти: дисертація на здобуття наукового ступеня кандидата юридичних наук за спеціальністю 12.00.09 - кримінальний процес та криміналістика; судова експертиза; оперативно-розшукова діяльність / Дільна Зоряна ФедорівнаКомплексне дослідження теоретичних та практичних питань, які стосуються виконання судових рішень у кримінальному провадженні, в якій досліджено правову природу цієї стадії провадження, її генезис, структуру та місце у системі стадій кримінального провадження, проаналізовано характер та зміст діяльності суду в стадії виконання судових рішень, особливості реалізації окремих засад кримінального провадження та особливості процесуального статусу учасників у цій стадії, а також приділено велику увагу питанню звернення до виконання різних видів судових рішень та процесуальним особливостям порядку вирішення судом питань, пов’язаних із їх виконанням. На основі аналізу нормативно-правових актів та правозастосовної практики з даного питання, запропоновано зміни та доповнення до окремих норм чинного законодавства, що регламентує діяльність в цій стадії провадження. Сформульовані висновки і пропозиції можуть бути використані для подальших наукових досліджень стадії виконання судових рішень у кримінальному провадженні, вдосконалення положень чинного КПК України, а також інших нормативно-правових актів в частині правового регулювання діяльності суду та інших учасників у стадії виконання судових рішень. Dissertation is devoted to complex research of theoretical and practical questions concerning implementation of court decisions in criminal procedure of Ukraine. Scientific positions of researchers are analysed and the pre-revolution period, soviet and modern period, current legislation that regulates the stage of execution of court decisions in criminal procedure are investigated, including legislation of foreign countries. Legal nature of institute of execution of court decisions in criminal procedure of Ukraine and its genesis are investigated. Maintenance of judicial activity is found out at this stage, its structure and place in the system of the stages of criminal procedure. The judicial features of the stage of execution of court decisions are defined, in particular features of realization of some principles of criminal procedure, feature of judicial status of participants of criminal procedure, that participate at the stage of execution of court decisions. Questions that are subject to the decision during the address of court decision to implementation are investigated, during its actual implementation and after implementation of court decision, and also the judicial features of order of decision of cramps of these questions are found out. Certain suggestions are made dealing with the improvement of current legislation that regulates realization on implementation of court decisions and practice of its application, taking into account the necessity of protection of human rights, including to the protection of rights for the participants of criminal procedure in the process of implementation of punishment in accordance with the requirements of Constitution of Ukraine, international acts in the sphere of human rights and rule-making.
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Bridoux, Vincent. "Droit de la commande publique et droit de la concurrence de l'Union européenne : étude sur une dynamique commune." Thesis, Paris 1, 2019. http://www.theses.fr/2019PA01D073.
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Le droit de la commande publique et le droit de la concurrence de l’Union européenne constituent aujourd’hui deux des principaux piliers du droit économique. Le droit de la concurrence assure, sur le marché intérieur, une concurrence libre et non faussée en préservant celle-ci des entraves des personnes privées comme publiques. Le droit de la commande publique a, quant à lui, vocation à réguler un marché qui représente 14 % du produit intérieur brut européen. Si ces deux matières sont autonomes et semblent s’ignorer, une analyse attentive permet néanmoins d’observer l’existence de réelles convergences entre elles. Le bon fonctionnement du marché, dont la finalité demeure de protéger la concurrence par les mérites, les libertés et finalement le bien-être dans l’Union européenne, constitue une dynamique commune à ces deux matières. Ce faisant, celles-ci contribuent au maintien d’un ordre public concurrentiel. Leurs nombreuses complémentarités, telles que la défense d’une structure concurrentielle des marchés, l’efficience économique ou encore la prévention des pratiques anticoncurrentielles, le démontrent. Les objectifs propres au droit de la concurrence trouvent en effet écho au sein du droit de la commande publique, tandis que le droit de la concurrence protège les objectifs du droit de la commande publique. De la même façon, en dépit de plusieurs zones de confrontations potentielles liées notamment au contrôle des aides d’État, à l’application du droit des pratiques anticoncurrentielles à l’encontre des acheteurs publics ou autorités concédantes, le droit de la commande publique et le droit de la concurrence semblent systématiquement s’accorder autour de la préservation et du développement de la concurrence effective. La jurisprudence Altmark, ou encore la rigueur des critères de la coopération public-public, témoignent de la proximité quotidienne entre ces deux matières et de leur faculté à s’enrichir mutuellementPublic procurement law and European Union competition law are now two of the main pillars of economic law. Competition law ensures free and undistorted competition in the internal market by protecting it from obstacles from both private and public entities. Public procurement law is intended to regulate a market representing 14% of Europe's gross domestic product.These two subjects are autonomous and seem to ignore each other. However, a careful analysis reveals the existence of actual convergences between them. The proper functioning of the market which purpose is to protect competition by merits, liberties and finaly the well-being of the European Union, is a common dynamic in these two areas. By doing so, both materials contribute to conservation of competitive public order. Their many complementarities, such as the defence of a competitive market structure, economic efficiency and the prevention of anticompetitive behaviour, demonstrate this. The specific objectives of competition law are reflected in public procurement law, while competition law protects the objectives of public procurement law. Similarly, despite several potential areas of confrontation related in particular to the control of State aid, the application of the law of anticompetitive practices against public purchasers or concession authorities, public procurement law and competition law seem systematically to agree on the preservation and development of effective competition. The Altmark case law, or the rigour of the criteria for public-public cooperation, testify to the daily proximity between these two subjects and their ability to enrich each other
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Ruzek, Vincent. "Communautarisation et mondialisation du droit de la propriété intellectuelle." Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1G009.
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L’internationalisation du droit de la propriété intellectuelle, initiée à la fin du XIXe siècle, a pris depuis la fin du XXe siècle une toute nouvelle tournure avec son inclusion dans le champ des disciplines commerciales multilatérales. La signature de l’accord ADPIC marque en effet l’émergence d’une véritable gouvernance mondiale de la propriété intellectuelle : l’ambition affichée par l’OMC est d’encadrer, substantiellement parlant, la marge de manœuvre des membres dans la mise en place de leurs politiques de protection. Bien qu’initié plus tardivement, la communautarisation du droit de la propriété intellectuelle revêt désormais une portée considérable : outre une conciliation effective des régimes nationaux de protection avec les principes cardinaux du traité, d’importantes directives d’harmonisation ont été édictées, et des titres européens de protection ont même été créés dans certains secteurs. Notre étude a pour vocation de montrer comment la communautarisation, au-delà de son rôle traditionnel de source du droit, officie comme un indispensable vecteur de structuration de la position européenne vis-à-vis de la mondialisation du droit de la propriété intellectuelle. Dans son versant ascendant tout d’abord – du local au global –, le vecteur communautarisation joue un rôle de mutualisation des objectifs à promouvoir sur la scène internationale. L’enjeu n’est autre que celui de façonner une gouvernance mondiale de la propriété intellectuelle qui corresponde au système d’intérêts et de valeurs de l’Union, conformément aux objectifs ambitieux assignés par le Traité. Ce processus de mutualisation n’a toutefois rien d’automatique : d’importantes contraintes institutionnelles – malgré plusieurs révisions du Traité et la progression graduelle de l’harmonisation en interne – contrarient l’émergence d’une véritable politique européenne extérieure intégrée. Mais c’est précisément à l’aune de ces contraintes qu’il convient d’apprécier la portée des accomplissements de l’UE, qui a su s’imposer comme un acteur central de la gouvernance mondiale du droit de la propriété intellectuelle. Dans son versant descendant ensuite – du global au local –, le vecteur communautarisation s’accompagne d’une montée en puissance du juge de Luxembourg dans l’arbitrage des situations d’interactions normatives fréquentes et complexes entre le droit de l’Union et le droit international de la propriété intellectuelle. L’étude systématique de la résolution par la Cour de ces interactions normatives montre combien celle-ci s’attache à préserver l’autonomie de l’ordre juridique de l’Union, en ménageant une marge d’appréciation significative dans la mise en œuvre des obligations découlant de la mondialisation du droit de la propriété intellectuelle. Cette marge d’appréciation est mise à profit pour assurer la défense d’un modèle européen original en construction, tirant parti des flexibilités du cadre normatif mondialThe internationalization of IP Law, initiated at the end of the 19th century, has taken since the end of the 20th century a brand new twist with its inclusion in the field of multilateral trade disciplines. The signing of the TRIPS agreement marks the emergence of a global IP governance. Indeed, the ambition displayed by the WTO is to supervise the margin of maneuver of its Members in implementing their policies. Although Communitization of IP law started much later, it now has a considerable scope: national protection regimes have been conciliated with the cardinal principles of the Treaty, some important harmonization directives have been enacted, and various European titles of protection have even been created. Our study is designed to show how Communitization, beyond its traditional role of source of law, officiates as a necessary and efficient vector for structuring the European position towards the Globalization of IP Law. In its ascendant side first -- from Local to Global, the Communitization vector plays a role of merging the objectives to be promoted on the international scene. The issue at stake is to shape an IP global framework that corresponds to the system of interests and values of the EU, in accordance with the far-reaching objectives assigned by the Treaty. This merging process is, however, not automatic. In spite of several amendments to the Treaty and of the progress of internal harmonization, various institutional constraints thwart the emergence of a fully integrated external European policy in the field of IP. But it is precisely in light of these constraints that the scope of the achievements of the EU, which in now recognized as a central actor in the global IP governance, must be appreciated. In its down side then -- from Global to Local, the Communitization vector is accompanied by a rise of the European Court of Justice in arbitrating complex normative interactions between national, EU and International IP Laws. A systematic analysis of the resolution by the ECJ of these normative interactions reveals its determination to safeguard the autonomy of the EU legal order, by arranging for significant discretion in implementing international commitments. This margin of appreciation is used to defend an original European model under construction, taking advantage of the flexibilities of the global normative framework
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Thuy, Nguyen, and Levan Asambadze. "Rapid and safe international expansion - is it possible? The case of Rezidor Hotel Group : The global market has become broadened and diversified at great pace, leading to the increasing demand for hospitality business and in particular for hotel industry (Rutherford & O'Fallon, 2007, p.14). However, globalization not only creates opportunities for hotel firms but also changes their business environment into fierce battlefield. In order to be competitive in conditions of fierce international competition, hotel firms need to acquire international presence and recognition. Thus, hotel firms must apply wise strategies regarding its international expansion, which invigorates them to search for new locations in an effort to diversify service and increase their flexibility to guarantee their survival and sustain their development (Rodriguez, 2002)." Thesis, Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-10081.
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Holm, Cyril. "F. A. Hayek's Critique of Legislation." Doctoral thesis, Uppsala universitet, Juridiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-236890.
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The dissertation concerns F. A. Hayek’s (1899–1992) critique of legislation. The purpose of the investigation is to clarify and assess that critique. I argue that there is in Hayek’s work a critique of legislation that is distinct from his well-known critique of social planning. Further that the main claim of this critique is what I refer to as Hayek’s legislation tenet, namely that legislation that aims to achieve specific aggregate results in complex orders of society will decrease the welfare level. The legislation tenet gains support; (i) from the welfare claim – according to which there is a positive correlation between the utilization of knowledge and the welfare level in society; (ii) from the dispersal of knowledge thesis – according to which the total knowledge of society is dispersed and not available to any one agency; and (iii) from the cultural evolution thesis – according to which evolutionary rules are more favorable to the utilization of knowledge in social cooperation than are legislative rules. More specifically, I argue that these form two lines of argument in support of the legislation tenet. One line of argument is based on the conjunction of the welfare claim and the dispersal of knowledge thesis. I argue that this line of argument is true. The other line of argument is based on the conjunction of the welfare claim and the cultural evolution thesis. I argue that this line of argument is false, mainly because the empirical work of political scientist Elinor Ostrom refutes it. Because the two lines of argument support the legislation tenet independently of each other, I argue that Hayek’s critique of legislation is true. In this dissertation, I further develop a legislative policy tool as based on the welfare claim and Hayek’s conception of coercion. I also consider Hayek’s idea that rules and law are instrumental in forging rational individual action and rational social orders, and turn to review this idea in light of the work of experimental economist Vernon Smith and economic historian Avner Greif. I find that Smith and Greif support this idea of Hayek’s, and I conjecture that it contributes to our understanding of Adam Smith’s notion of the invisible hand: It is rules – not an invisible hand – that prompt subjects to align individual and aggregate rationality in social interaction. Finally, I argue that Hayek’s critique is essentially utilitarian, as it is concerned with the negative welfare consequences of certain forms of legislation. And although it may appear that the dispersal of knowledge thesis will undermine the possibility of carrying out the utilitarian calculus, due to the lack of knowledge of the consequences of one’s actions – and therefore undermine the legislation tenet itself – I argue that the distinction between utilitarianism conceived as a method of deliberation and utilitarianism conceived as a criterion of correctness may be used to save Hayek’s critique from this objection.