Дисертації з теми "InPost (Firm)"
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1
Imbruno, Michele. "Trade liberalization, intermediate inputs and heterogeneous firms." Thesis, University of Nottingham, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.659297.
Повний текст джерелаАнотація:
This thesis contributes to the literature on microeconomic linkage between globalization, economic growth and welfare. First, we study the impact of input trade liberalization on firm efficiency, aggregate productivity and welfare. We extend the Melitz (2003)'s framework to incorporate: a) trade in both intermediate inputs and final goods between similar countries, b) firm's decision to import intermediate inputs in addition to the decision to export the final output. This model shows different effects from reducing input tariffs, according to whether intermediates are assumed to be imported directly by final good firms or indirectly through an efficient wholesale system. Second, using data from Chinese manufacturing firms over the period 2002- 2006, we investigate empirically the effect of trade liberalization in intermediate inputs on firm's total factor productivity (TFP), considering the relevant role played by trade wholesalers. We document that direct-importers enjoy larger productivity gains from reducing input tariffs respect to other firms. But, the non-importers also benefit because they can access to foreign inputs through trade intermediaries. In sectors where input trade intermediation was relatively low, firms not directly involved in imports suffer efficiency losses. Finally, we also explore the effectiveness of different trade policy instruments on product-level Chinese imports over the period 2000-2006. More specifically, in addition to the declines in tariffs, we investigate the impact on imports of the gradual removal of non-tariff barriers (NTBs) as agreed within WTO's accession protocol in 2001 (such as import quotas, licenses and tendering). Overall, the results show that while manufacturing imports increased due to tariff cuts, agricultural imports grew thanks to the elimination of import licenses. We also find some complementarity between tariffs and NTBs.
2
Forlani, Emanuele <1979>. "Essays on firm efficiency with imperfectly competitive input markets: an empirical analysis." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amsdottorato.unibo.it/796/1/Tesi_Forlani_Emanuele.pdf.
Повний текст джерелаАнотація:
In the thesis I exploit an empirical analysis on firm's productivity. I relate
the efficiency at plant level with the input market features and I suggest an estimation technique for production function that takes into account firm's liquidity
constraints. The main results are three. When I consider services as inputs for manufacturing firm's production process, I find that more competition in service
sector affects positively plants productivity and export decision. Secondly liquidity constraints are important for the calculation of firm's productivity because
they are a second source of firm's heterogeneity. Third liquidity constraints are important for firm's internationalization
3
Forlani, Emanuele <1979>. "Essays on firm efficiency with imperfectly competitive input markets: an empirical analysis." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amsdottorato.unibo.it/796/.
Повний текст джерелаАнотація:
In the thesis I exploit an empirical analysis on firm's productivity. I relate
the efficiency at plant level with the input market features and I suggest an estimation technique for production function that takes into account firm's liquidity
constraints. The main results are three. When I consider services as inputs for manufacturing firm's production process, I find that more competition in service
sector affects positively plants productivity and export decision. Secondly liquidity constraints are important for the calculation of firm's productivity because
they are a second source of firm's heterogeneity. Third liquidity constraints are important for firm's internationalization
4
Douch, Mustapha. "Essays on firm performance, agglomeration and international trade." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/27620.
Повний текст джерела
5
Lagerkvist, Carl Johan. "Essays on the user cost of capital and financing of the agricultural firm /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5720-3.pdf.
Повний текст джерела
6
Tomáš, David. "Aplikace fuzzy logiky pro vyhodnocení dodavatelů firmy." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2013. http://www.nusl.cz/ntk/nusl-223983.
Повний текст джерелаАнотація:
Tato diplomová práce pojednává o řízení dodavatelů firmy. Odlišné softwary jsou použity pro applikace fuzzy logiky. Nejprve jsou představeni dodavatelé firmy pro asijský region. Dále jsou vybrány hlavní parametry které vztahy s dodavateli ovlivňují a jsou použity jako vstupy pro fuzzy model. Fuzzy model poté na základě nastavených pravidel vyhodnotí vstupy a dává hodnotu na výstupu. Výstup je tedy hodnota, která vyjadřuje rating dodavatele a říká, který by měl být preferován.
7
Jönsson, Marcus, Richard Patrini, and Nicolò Sammartini. "Online Retailers Opening Brick and Mortar Stores and the Impact on the Customer Base: The Case of NetOnNet." Thesis, Uppsala universitet, Företagsekonomiska institutionen, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-354812.
Повний текст джерелаАнотація:
During recent years, technology has played a crucial role in shaping the retail industry. Digitalisation and e-commerce are seen as the future of retailing. However, big online retailers have shown increasing interest in offline shopping by heavily investing in brick and mortar stores. The strategy of a retailer making use of both offline and online channels is called omnichannel strategy. This study investigates why online retailers are investing in physical stores and what is the impact of this decision on their customer base. The study uses a two-step research. First, a case study on the Swedish retailer NetOnNet is conducted to confirm the theoretical framework and build the research model. Then, a quantitative research with questionnaire is used to investigate the impact of an omni-channel strategy on the consumers’ attitudes towards the retailer. The results show that awareness and control are the factors most affected by an omni-channel strategy. Instead, having both an online and offline presence does not have a relevant impact on the factors trust, perceived risk and personalisation.
8
Doğanata, Zinnur Vaidyanathan P. P. "General structural representations for multi-input multi-output discrete-time FIR and IIR lossless systems /." Diss., Pasadena, Calif. : California Institute of Technology, 1990. http://resolver.caltech.edu/CaltechETD:etd-02222007-083438.
Повний текст джерела
9
Torres, Marcelo de Oliveira. "Production and distribution cost economies in water firms : a multiproduct cost model incorporating input rigidities and spatial variables /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2004. http://uclibs.org/PID/11984.
Повний текст джерела
10
Rajagopal, Ravikiran. "An algebraic view of multidimensional multiple-input multiple-output finite impulse response equalizers." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1070398845.
Повний текст джерела
11
Krchová, Eva. "Analýza dopadů větrné energie na hospodaření ČEPSu a dopad rozvojových investic firmy ČEPS na českou ekonomiku." Master's thesis, Vysoká škola ekonomická v Praze, 2014. http://www.nusl.cz/ntk/nusl-192966.
Повний текст джерелаАнотація:
The aim of master thesis is to analyze the impact of electricity generation from wind on investment activities of CEPS's company, and also to assess the impact of these investments on the Czech economy. The work familiarizes readers with reasons for the development of the transmission system in the Czech Republic, with the concept of blackout and also with apparatus of assessing the impact of investment on the economy of the selected state -- input-output model analysis. The method used to obtain data for this work is based on the literature review, as well as expert advice on the input-output model, consultation with the experts in CEPS and the data provided by them. The theoretical part deals with Czech transmission system, and it is followed by the development of wind energy construction and the problems associated with it, with blackout and readiness of the Czech Republic to the possible failure in electricity supply. In the practical part, there are measures that are built in order to prevent the risk of blackouts in the Czech Republic, there is a more detailed examination of the Plan of development and rehabilitation of Czech transmission system, and there is also described the process of construction of analytical input-output apparatus for analyzing the impact of CEPS's development investments on the Czech economy, approximated by GDP.
12
Griffith, Kereen. "Effects of Vegetation Structure and Canopy Exposure on Small-scale Variation in Atmospheric Deposition Inputs to a Mixed Conifer Forest in California." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc500055/.
Повний текст джерелаАнотація:
Data on rates of atmospheric deposition is limited in many montane ecosystems, where high spatial variability in meteorological, topographic, and vegetation factors contributes to elevated atmospheric inputs and to the creation of deposition hotspots. Addressing the ecological consequences of increasing deposition in these areas will require a better understanding of surface controls influencing atmospheric deposition rates at both large and small-scales. The overarching objective of this thesis research was to understand the influence of vegetation structure and canopy exposure on small-scale patterns of atmospheric sulfate, nitrate, and chloride deposition inputs to a conifer forest in the Santa Cruz Mountains, California. Throughfall ion fluxes (i.e., ions delivered in water that pass from the forest canopy to the forest floor), bulk deposition (i.e., primarily wet deposition), and rainfall data were collected during the rainy period from October 2012 to May 2013. Throughfall SO42-, Cl-, and NO3- fluxes were measured beneath eight clusters of Douglas fir (Pseudotsuga menziesii) trees (three trees per cluster) differing in tree size (i.e., diameter at breast height; DBH) and canopy exposure. In each cluster, a throughfall collector was placed 1-meter from the bole of an individual tree, for a total of 24 individual collectors. The position of each throughfall collector was recorded with a Trimble® GPS. In addition, tree height, tree diameter, and leaf area index, were measured for all trees. LiDAR data were obtained from GeoEarthScope’s Northern California Airborne LiDAR project and used to model the elevation (DEM), canopy surface height (DSM), tree height (CHM), slope, and curvature of the canopy surface across the entire study area. Over the rainy season, total throughfall flux of SO42--S, a conservative tracer of total deposition (wet + dry + fog), to Douglas fir clusters ranged from 1.44 - 3.84 kg S ha-1 wet season-1, while dry and fog deposition ranged from 0.13 -2.37 kg S ha-1 wet season-1. Total deposition to exposed mature tree clusters was 1.7-2.7 times higher than other clusters. Patterns of total Cl- fluxes (17.10 – 54.14 kg Cl- ha-1 wet season-1) resembled patterns of total SO42--S inputs. Overall, net throughfall fluxes (throughfall – bulk deposition) to Douglas fir trees clusters were more variable than total throughfall fluxes. Net SO42--S and Cl- fluxes to individual collectors increased with tree DBH and the convexity of the canopy surface. Compared to SO42--S and Cl- in throughfall, total NO3--N fluxes (0.17 - 4.03 kg N ha-1 wet season-1) were low and appeared to vary with small-scale changes in elevation. Geospatial technologies and remote sensing tools, such as LiDAR, are promising in the study of relationships between atmospheric deposition and topography (including vegetation), and in scaling-up estimates of atmospheric deposition to larger spatial scales. Understanding small-scale surface controls on atmospheric deposition has implications for different areas of research within geography, including modeling the spread of emerging infectious disease and assessing the effects of nitrogen cycling on native and invasive plant species composition.
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Baharudin, Mohamad Emran. "Modelling the structural response of reinforced concrete slabs exposed to fire : validation, sensitivity, and consequences for analysis and design." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31251.
Повний текст джерелаАнотація:
Structural fire design represents one important aspect of the design of reinforced concrete buildings. The work presented in this thesis seeks to elucidate the structural behaviour of reinforced concrete slabs during exposure to heating from below, as would occur in the case of a building fire, with a particular focus on structural fire modelling using finite element analysis. The focus in on validating finite element models against experimental results and quantifying the sensitivity of model outputs to relevant thermal and mechanical input parameters. A primary goal of the work is to provide recommendations to structural fire engineering analysts and designers considering the performance-based design of reinforced concrete slabs for structural fire resistance using available finite element software. A critical review of the available knowledge of the structural fire response of reinforced concrete structures in general and concrete slabs in particular is presented, along with an awareness as to the importance of understanding structural response of concrete structures exposed to fires. Current techniques for structural fire design of concrete structures are reviewed, and shortcomings highlighted. Available experimental data are presented, and various finite element models of these slabs are developed and interrogated to identify important aspects for understanding, as well as for future improvement of similar studies (both experimental and numerical) with the intention of supporting future progress in structural fire engineering, in particular as regards performance based structural fire design of concrete slabs. A range of thermal and mechanical parameters that are potentially important and influential in the structural fire design of reinforced concrete slabs is then studied, including: fire scenario, thermal properties of materials (thermal conductivity and specific heat), heat transfer parameters (coefficient of convection and emissivity) and assumptions, restraint conditions at the supports, variations of span-to-depth ratio, reinforcement detailing, as well as plan aspect ratio are all investigated; their influence on the structural fire response of reinforced concrete slabs is studied and discussed. A key issue in validating finite element models against experimental results lies in defining the temperature inputs to the structural finite element models correctly. Variation of available thermal and mechanical input parameters, as recommended in Eurocodes, influences the predictive performance of thermal and structural finite element models, however these are not the main contributing factors in obtaining a credible prediction of response from the finite element models. The most challenging aspect in performing heat transfer analysis for fire furnace tested reinforced concrete slabs lies in defining the correct thermal boundary condition. For simply supported one-way spanning and two-way spanning slabs, increasing slab's thickness (lowering span-depth ratio) does not improve fire resistance rating for the slabs when both limiting deflection criteria and limiting tensile plastic strain are set as acceptance criteria. Two-way slabs with higher span-depth ratio have better fire resistance ratings, judging from the overall trends and magnitudes of mid-span deflections. The formation of plastic hinges is likely to occur for one-way spanning slabs modelled with finite rotational spring stiffness at supports, but not for two-way spanning slabs. A yield line mechanism in two-way slabs means that the behaviour is more complex as compared to the simple flexural mechanism for one-way slabs. In one-way slabs, plastic hinges potentially occur at the location where top reinforcement is curtailed, highlighting the importance of properly understanding the nuances in response of concrete slabs in fire. Investigation of the influence of aspect ratio in two-way spanning slabs confirms that slabs with lower aspect ratios have better structural fire resistance than slabs with higher aspect ratios when both limiting deflection criteria and limiting tensile strain in reinforcing steel were used as the performance indicators. A combination of both limiting mid-span deflection criteria as well as limiting tensile plastic strain is recommended for specifying acceptance criteria for both one-way and two-way slabs, since it gives more accurate and comprehensive assessment on the structural response of the slabs under exposure to severe heating from below.
14
Bol, Kieran G. "Redundant Input Cancellation by a Bursting Neural Network." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20061.
Повний текст джерелаАнотація:
One of the most powerful and important applications that the brain accomplishes is solving the sensory "cocktail party problem:" to adaptively suppress extraneous signals in an environment. Theoretical studies suggest that the solution to the problem involves an adaptive filter, which learns to remove the redundant noise. However, neural learning is also in its infancy and there are still many questions about the stability and application of synaptic learning rules for neural computation.
In this thesis, the implementation of an adaptive filter in the brain of a weakly electric fish, A. Leptorhynchus, was studied. It was found to require a cerebellar architecture that could supply independent frequency channels of delayed feedback and multiple burst learning rules that could shape this feedback. This unifies two ideas about the function of the cerebellum that were previously separate: the cerebellum as an adaptive filter and as a generator of precise temporal inputs.
15
Nyström, Karin. "Film as a Tool in English Teaching : A Literature Review on the use of Film to develop Students’ linguistic Skills and critical Thinking in Upper Secondary EFL Classrooms." Thesis, Högskolan Dalarna, Engelska, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:du-30811.
Повний текст джерелаАнотація:
Due to the fact that adolescents are familiar with so many different media and technology resources today, learning in a conventional way is no longer effective. The aim for this literature review was to analyse what research shows about the use of film as a teaching tool in English to develop students’ linguistic and critical thinking skills in upper secondary EFL classrooms. The results disclosed that film can improve students’ linguistic skills and critical thinking. One reason for this is that film is already such a large part of students’ lives and provides a meaningful and familiar context for them and that film offers visual support. Studentsʼ felt motivated to see and experience “real-life” situations as opposed to reading the conventional textbook. Interaction between the students also proved to be vital in developing their language skills. Results also showed that it is imperative that teachers present film not only as a tool of entertainment, but one for teaching as well. This can be done by creating contextualized assignments related to the film. The literature review concluded that there are gaps in knowledge of this subject and that further research is desirable.
16
Beard, Jeffrey L. "Theoretical framework for determinants of A/E/C firm value, strategy and continuity: an analysis incorporating corporeal, volitional and knowledge assets." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/43605.
Повний текст джерелаАнотація:
This research project endeavors to frame a methodology that can be used to categorize firm value strategies (production logics) and choices of factor inputs (tangible and intangible assets), which are used to fuel production cycles for goods and services outputs. A secondary goal of the research is to attempt to determine what asset group combinations (resources) are combined by various classes of firms to produce sustainable outcomes for the A/E/C firms in the survey.
The National Bureau of Economic Research recently issued a system of national accounts (acknowledging both tangible and intangible assets) that reflects the macro-economy but at the same juncture, lamented the fact that a firm-level micro-economic schema did not exist to mirror the national system. This study makes an effort to redress that void by investigating how such a system of accounts - measured on the input side of the ledger -- could begin to fill in a gap in information and understanding as pointed out by participants in the National Academy of Sciences symposium of 2009 entitled "Intangible Assets: Measuring and Enhancing Their Contribution to Corporate Value and Growth."
In brief, the research represents an effort to make a contribution to a growing body of knowledge about intangible assets by solidifying a framework within which both tangible and intangible assets may be more appropriately conceptualized and more adequately measured for purposes of current and future investigations. The research also provides a methodology for beginning to understand how some design and construction industry firms rely on specific asset categories for operating success, corporate stock value and business continuity. It is conceivable that managers would use a variation of the methodology to better balance ongoing investments in their firm's portfolio of tangible and intangible resources.
The mixed methods used in this research support the following conclusions:
1) In terms of rank order of asset deployment categories by firms, intangible assets appear to have a modest edge over tangible assets for deployment by value shop firms (architecctural and engineering design firms), but these emphases are not consistent among value chain-oriented (construction) firms.
2) Although pronounced differences were expected, there was little evidence of differences in rank order of asset category accumulation and deployment by firms (according to the Delphi panel) regardless of whether the firm was focused on continuity and longevity or (alternatively) short-term profit maximization.
3) Because of their ambidexterity in production logic, the expert panel had difficulty placing EPC (Engineer - Procure - Construct), design-build and integrated services firms in a single Stabell - Fjeldstad value logic category, and a new composite category was posited based on Delphi panel feedback.
17
Wilson, Scott Dean. "FABRICATION AND TESTING OF A NONSTANDARD THIN-FILM HEAT FLUX SENSOR FOR POWER SYSTEM APPLICATIONS." Cleveland State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=csu1323837602.
Повний текст джерела
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Štambachová, Lucie. "Aplikace metodiky LBG ve Fondu T-Mobile." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-71938.
Повний текст джерелаАнотація:
This dissertation deals with the Corporate Social Responsibily and highlights the importace of evaluation of CSR activities. I have chosen T-Mobile Czech Republic a.s. as an example of a socially responsible company. I evaluate one of its CSR activities by LBG methodology. Based on the analysis contained in this dissertation TMCZ can be considered as a socially responsible company. Its CSR activities are not only beneficial for the community, but also for the company itself. The purpose of this disertation is to stimulate creation CSR annual report in TMCZ and point out the importace of close monitoring of supported projects, so that it would be possible to find out the efficiency of invested resources.
19
Wittrock, Christian [Verfasser], Wolfram [Akademischer Betreuer] Richter, and Nadine [Gutachter] Riedel. "The effects of public inputs, goods and services on households’ and firms’ location decision : Kumulative Dissertation, bestehend aus 4 Beiträgen / Christian Wittrock ; Gutachter: Nadine Riedel ; Betreuer: Wolfram Richter." Dortmund : Universitätsbibliothek Dortmund, 2018. http://d-nb.info/1168903319/34.
Повний текст джерела
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Wittrock, Christian [Verfasser], Wolfram F. [Akademischer Betreuer] Richter, and Nadine [Gutachter] Riedel. "The effects of public inputs, goods and services on households’ and firms’ location decision : Kumulative Dissertation, bestehend aus 4 Beiträgen / Christian Wittrock ; Gutachter: Nadine Riedel ; Betreuer: Wolfram Richter." Dortmund : Universitätsbibliothek Dortmund, 2018. http://nbn-resolving.de/urn:nbn:de:101:1-2018101203425856344635.
Повний текст джерела
21
Guagliumi, Luca. "Metodi di pianificazione di traiettorie anti-slohing." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Знайти повний текст джерелаАнотація:
Lo scopo della tesi è quello di studiare delle leggi di moto tali da minimizzare il fenomeno dello sloshing, ovvero dell'agitazione del liquido contenuto all'interno di recipienti quando questi ultimi vengono movimentati. Per risolvere il problema si è partiti dallo studio del fenomeno fisico. Sulla base del materiale reperito in letteratura si costruiscono dei modelli meccanici equivalenti per analizzare al meglio la situazione. Una volta individuati i modelli si sono applicati dei metodi, noti in letteratura, per lo studio di traiettorie che minimizzino le vibrazioni meccaniche agenti sul sistema. Per concludere sono state effettuate delle simulazioni numeriche tramite il software Matlab e delle prove sperimentali per verificare la validità delle soluzioni proposte.
22
Eliasson, Tove. "Empirical Essays on Wage Setting and Immigrant Labor Market Opportunities." Doctoral thesis, Uppsala universitet, Nationalekonomiska institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-226084.
Повний текст джерелаАнотація:
This thesis consists of three self-contained essays. Essay 1: This essay estimates wage assimilation among non-western immigrants in Sweden, controlling for selection into employment by including individual fixed effects. Furthermore, using matched employer-employee panel data covering the complete Swedish labor market, this essay decomposes wage catch-up into relative wage growth within and between workplaces and occupations. The results show that failing to control for selection into employment is likely to underestimate relative wage growth of immigrants, as early entrants in the labor market differ from later entrants along unobservable dimensions. Even after 30 years in the country, the group of non-western immigrants still earns substantially lower wages than natives. Wages catch up mainly within workplaces and occupations, suggesting that improved signals of productivity, rather than improved knowledge of job options, are of importance for the wage growth of non-western immigrants. Essay 2: Earlier research has shown that immigrant- and minority entrepreneurs have difficulties accessing capital through the formal financial markets. This essay studies what role immigrant employees within the local bank sector have for the probability of immigrants to run their own businesses. I use linked employer-employee data covering the whole Swedish labor market for the years 1987 to 2003 and utilize a nationwide refugee dispersal policy to get exogenous variation in the exposure to co-ethnic bank employees. Results suggest that there is a positive relation between co-ethnic bank employees and the probability of being self-employed. This effect is most pronounced for immigrants who arrived with low education, for males and for those residing in metropolitan regions. The effects are substantial and robust to a wide set of controls for labor market characteristics of the ethnic group at the local level. These results provide evidence of an ethnic component in the formal credit markets. Essay 3 (with Oskar Nordström Skans): This essay investigates the impact of a collective agreement stipulating a one shot increase in establishment-specific wage levels in a public-sector setting where wages otherwise are set according to individualized wage bargaining. The agreement stipulated that wages should increase in proportion to the number of low-paid females within each establishment. We find that actual wages among incumbents responded to the share of females with a wage below the stipulated threshold, conditional on the separate effects of the share of low wage earners, and the share of females. We find clear evidence of path-dependence in wages, covered workers remained on higher wage levels 4 years after the agreement took effect. The increase in wages resulted in a reduced probability of exit among young workers with relatively good grades and a lower frequency of new hires at the establishment level.
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Beisler, Matthias Werner. "Modelling of input data uncertainty based on random set theory for evaluation of the financial feasibility for hydropower projects." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2011. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-71564.
Повний текст джерелаАнотація:
The design of hydropower projects requires a comprehensive planning process in order to achieve the objective to maximise exploitation of the existing hydropower potential as well as future revenues of the plant. For this purpose and to satisfy approval requirements for a complex hydropower development, it is imperative at planning stage, that the conceptual development contemplates a wide range of influencing design factors and ensures appropriate consideration of all related aspects. Since the majority of technical and economical parameters that are required for detailed and final design cannot be precisely determined at early planning stages, crucial design parameters such as design discharge and hydraulic head have to be examined through an extensive optimisation process. One disadvantage inherent to commonly used deterministic analysis is the lack of objectivity for the selection of input parameters. Moreover, it cannot be ensured that the entire existing parameter ranges and all possible parameter combinations are covered. Probabilistic methods utilise discrete probability distributions or parameter input ranges to cover the entire range of uncertainties resulting from an information deficit during the planning phase and integrate them into the optimisation by means of an alternative calculation method. The investigated method assists with the mathematical assessment and integration of uncertainties into the rational economic appraisal of complex infrastructure projects. The assessment includes an exemplary verification to what extent the Random Set Theory can be utilised for the determination of input parameters that are relevant for the optimisation of hydropower projects and evaluates possible improvements with respect to accuracy and suitability of the calculated resultsDie Auslegung von Wasserkraftanlagen stellt einen komplexen Planungsablauf dar, mit dem Ziel das vorhandene Wasserkraftpotential möglichst vollständig zu nutzen und künftige, wirtschaftliche Erträge der Kraftanlage zu maximieren. Um dies zu erreichen und gleichzeitig die Genehmigungsfähigkeit eines komplexen Wasserkraftprojektes zu gewährleisten, besteht hierbei die zwingende Notwendigkeit eine Vielzahl für die Konzepterstellung relevanter Einflussfaktoren zu erfassen und in der Projektplanungsphase hinreichend zu berücksichtigen. In frühen Planungsstadien kann ein Großteil der für die Detailplanung entscheidenden, technischen und wirtschaftlichen Parameter meist nicht exakt bestimmt werden, wodurch maßgebende Designparameter der Wasserkraftanlage, wie Durchfluss und Fallhöhe, einen umfangreichen Optimierungsprozess durchlaufen müssen. Ein Nachteil gebräuchlicher, deterministischer Berechnungsansätze besteht in der zumeist unzureichenden Objektivität bei der Bestimmung der Eingangsparameter, sowie der Tatsache, dass die Erfassung der Parameter in ihrer gesamten Streubreite und sämtlichen, maßgeblichen Parameterkombinationen nicht sichergestellt werden kann. Probabilistische Verfahren verwenden Eingangsparameter in ihrer statistischen Verteilung bzw. in Form von Bandbreiten, mit dem Ziel, Unsicherheiten, die sich aus dem in der Planungsphase unausweichlichen Informationsdefizit ergeben, durch Anwendung einer alternativen Berechnungsmethode mathematisch zu erfassen und in die Berechnung einzubeziehen. Die untersuchte Vorgehensweise trägt dazu bei, aus einem Informationsdefizit resultierende Unschärfen bei der wirtschaftlichen Beurteilung komplexer Infrastrukturprojekte objektiv bzw. mathematisch zu erfassen und in den Planungsprozess einzubeziehen. Es erfolgt eine Beurteilung und beispielhafte Überprüfung, inwiefern die Random Set Methode bei Bestimmung der für den Optimierungsprozess von Wasserkraftanlagen relevanten Eingangsgrößen Anwendung finden kann und in wieweit sich hieraus Verbesserungen hinsichtlich Genauigkeit und Aussagekraft der Berechnungsergebnisse ergeben
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Silva, Lara Milene Ribeiro Roque Pina da. "Análise financeira de empresas portuguesas do SEE dos sectores da cultura, comunicação, transportes e serviços, entre 2009 e 2011." Master's thesis, Instituto Superior de Economia e Gestão, 2012. http://hdl.handle.net/10400.5/10729.
Повний текст джерелаАнотація:
Mestrado em Contabilidade, Fiscalidade e Finanças EmpresariaisO debruçar sobre a análise financeira das empresas do Sector Empresarial do Estado assume na actual conjuntura grande importância. O equilíbrio entre as incumbências de um Estado prestador de serviços e a sustentabilidade dos mesmos é importante em qualquer contexto, mas configura-se agora com uma premência sem precedentes; pela desfaçatez com que os ditames financeiros negam aparentemente o conceito de serviço público tal como o conhecemos, é importante apurar o estado económico-financeiro destas empresas. Este trabalho de projecto é expressão de uma análise de carácter multidisciplinar aos mapas financeiros e informação pública das empresas não financeiras detidas pelo Estado em mais de 1% nos sectores da Cultura, Comunicação, Transportes e Serviços (Carteira Principal Participações do Estado em 31-03-2012), entre 2009 e 2011. A análise cuidada dos dados recolhidos, feita sob a metodologia da Análise Financeira e orientada sobretudo para responder ao problema prático da sustentabilidade das empresas do SEE, aponta maioritariamente para uma desordem financeira a que nem o esforço financeiro público, nos vários tipos de apoio que presta a estas entidades, responde de forma eficaz, embora casos pontuais contrariem a tendência e se afirmem no panorama como casos de gestão económico-financeira eficiente e reiterada.
The financial analysis of the State-Owned Firms is a very important matter nowaday. The balance between the responsibilities of a State services and their sustainability is important in any context, however it sets up now with unprecedented urgency; for the obviously way that the financial rules deny apparently the concept of the public service such as we know it, it's important to investigate the financial performance of these firms. This study is based on a multidisciplinary analysis of financial reports and other public information from the non-financial State-Owned Firms in more than 1% in the sector of Culture, Communication, Transports and Services (primary portfolio holdings of the State in 31-03-2012) between 2009 and 2011. The main goal of the study is to investigate whether the State-Owned Firms are self-sustainable or not. The results suggest mainly a financial disorder that neither the public financial effort, in the several types of support that provides these enterprises, is enough, despite individual cases that oppose the trend and state for themselves as cases of financial and economic management efficient and consistent.
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Wu, Yan Han, and 吳彥漢. "The Effect of Financing Methods on Default Risk of the Firm inPost-Merger Period." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/63839324491225026416.
Повний текст джерелаАнотація:
碩士國立暨南國際大學
財務金融學系
100
In this paper, I investigate acquiring firms of cash offer which financing method before announcement day to influence on default risk change and long-term performance in post-merger. According to financing situation divide into 413 equity financing and 163 short-term debt financing. I use Naïve Merton Model to calculate default risk and event study methodology to calculate abnormal return of two types of company in announcement period and post –merger. I find that, on average, a merger decrease the default risk of these acquiring firm. A significantly positive impact on default risk change for equity financing firm, and market value to debt ratio, interest protection multiples also have significantly positive impact but leverage ratio have a negative impact. In announcement period, both of equity financing firm and short-term debt financing firm have significantly positive cumulative abnormal return, and there is a significant difference between two types of company one day before and after announcement day. About post-merger performance, two types of company are significant negative abnormal return, however the abnormal return of equity financing firm is significant lower than short-term debt financing firm.
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wang, Yi-Tsen, and 汪易岑. "Economic Analysis of Input pricing and Downstream firm strategies." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/01410426910748603780.
Повний текст джерелаАнотація:
碩士淡江大學
產業經濟學系碩士班
100
This dissertation uses a vertically-related market model to discuss when an upstream firm sells the intermediate goods to two downstream firms in different industries. Given one of the downstream firm in tend to cross industry and sell in the other market. We analyze the impacts on the upstream firm’s pricing and the social welfare. Let firm A is a downstream firm in market A and firm B in market B. Firm B is the firm intends to sell in both markets. The main findings in this dissertation are as follows. First, under uniform pricing of the upstream firm a few cross-industry costs, the upstream firm will reduce the price of intermediate goods to induce firm B to sell in two markets. Given firm B decides to sell in markets, it is possible that the profits of the upstream firm, firm A, and B will increase. In addition, both markets consumer surplus and social welfare may also increase. Second, under price discrimination of the upstream firm: (1) If the difference between these two markets’ size is small, and the firm B serves in both markets, the upstream firm’s and both of the downstream firms’ profits may also increase. But interestingly, the consumer surplus of market A and the social welfare may be lower when firm B serves in both markets. However, consumer surplus of market B may increase. (2) If the difference between these two markets’ size is large, even firm B serves only the market B, its’ profit may decrease, while the profit of firm A may increase. In this case, as the cross-industry cost is lower, the consumer surplus of market A and the social welfare will increase, however the consumer surplus of market B will decrease.
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Liu, Yi-Chang, and 劉宜璋. "Disaggregate Input Efficiency of Biopharmaceutical Firms in Mainland China." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/g6e2w7.
Повний текст джерелаАнотація:
碩士國立交通大學
企業管理碩士學程
105
Biotechnology industry is promising and in the limelight, and many nations made it in the priority list of important development plan. Moreover, Mainlan China has over 1.3 billion population and its economics and per capital income grew rapidly in recent years which make it become a potential and important market. This study applies the input- oriented model of slack-based measure (SBM) to assess the production efficiency of 61 Chinese biopharmaceutical firms with 366 panel data from 2010 to 2015. There are four inputs and one output analyzed in this study. The four inputs are number of employee, R&D expense, construction and fixed assets. And the output is sales revenue. Our major findings are as follows: (1) The excesses in inputs are the major source caused the inefficiency of the biopharmaceutical industry in China; namely, the utilization of production resources is inefficient which leaves a lot to be desired. (2) The four benchmarks are Shenzhen Cau Technology Co., Ltd., Livzon pharmaceutical group Inc., Yunnan Baiyao group Co., Ltd. and Hangzhou Tian-Mu-Shan pharmaceutical enterprise Co., Ltd who have various products. (3) The sources of inefficiency for each biopharmaceutical firm are not the same. Therefore, firms are capable to improve their efficiency specifically by exanimating the efficiency scores of each input variables and learning from the benchmarks.
28
Tsao, Hsiao-Ying, and 曹曉盈. "Disaggregate Input Efficiency of Major Asia-Pacific Telecom Firms." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/53080947064219506173.
Повний текст джерелаАнотація:
碩士國立交通大學
管理學院經營管理學程
103
This study measures the operation efficiency of APEC communication service provider (CSP) during 2007 to 2013 by the slack-based model data envelopment analysis (SBM-DEA) approach. The empirical result shows that trends of telecom industry’s overall technical efficiency (OTE), pure technical efficiency (PTE), and scale efficiency (SE) are all going down. The total-factor input efficiency (TFIE) then is applied to compute each input’s efficiency. It is suggested that Taiwan’s CSPs should first improve their labor efficiency. The mobile market concentration rate (HHI), profit rate, and capital intensity significantly increase OTE scores, while the 2008 financial crisis significantly decreases OTE scores.
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Casimiro, Gonçalo de Castro Navarro Raimundo. "The effect of the China Shock on portuguese employment at the firm-level." Master's thesis, 2021. http://hdl.handle.net/10400.14/35541.
Повний текст джерелаАнотація:
This paper expands the analysis of the effects of the China shock by assessing its positive effects via access to cheaper inputs and contrasting them with the negative effects through increased import competition in the output markets. We use longitudinal matched employer-employee data linked with customs firm-level data on outputs and inputs transactions for the 1995-2007 period. We find economically and statistically significant positive effects on employment arising from an increase in imports of inputs from China and non-significant effects on employment arising from an increase in imports of outputs from China. Both ordinary least squares regressions and an instrumental-variable strategy using the change in China’s share of U.S. imports by input and output indicate a positive and significant effect of the China input shock and a non-significant effect of the China output shock. As a placebo, we replicate the analysis for the period before the China shock (1995-2000) finding non-significant impact on Portuguese employment. Regarding firms’ adjustment mechanisms, we find that in response to this shock, firms adapted their temporary employment levels rather than adapting their permanent employment levels.Esta dissertação expande a análise dos efeitos do choque vindo da China ao avaliar os seus efeitos positivos através do acesso a inputs mais baratos, fazendo a comparação com os efeitos negativos provenientes de um aumento na competição, a nível de importação, no mercado de outputs. Utilizamos dados longitudinais de empregador-empregado, junto com dados alfandegários a nível da firma, referentes a transações de outputs e inputs para 1995 a 2007. Encontramos efeitos positivos e (económica e estatisticamente) significativos do aumento das importações de inputs da China no emprego em Portugal e efeitos não significativos do aumento das importações de outputs da China. Quer as regressões em Minimos Quadrados Ordinarios, quer com varáveis instrumentais usando a alteração do peso das importações da China de inputs e outputs nos Estados Unidos indicam efeitos positivos do Choque da China via inputs e não significativos do Choque da China via outputs. Como placebo replicamos a analise para o período anterior ao Choque da China (1995-2000) encontrando um impacto não significativo no emprego. No que toca aos mecanismos de ajuste das empresas, os resultados sugerem que como resposta a este Choque, as empresas adaptaram os seus níveis de empregabilidade temporários em vez de adaptarem os seus níveis de empregabilidade permanentes.
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Björk, Engström Philip. "Measured values versus artistic input : Shading and material creation for film." Thesis, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-64360.
Повний текст джерелаАнотація:
How important is a perfect index of refraction value for the look of a material? Does everything have to be physically accurate to be percieved as a photorealistic material? There are some aspects of a lot of materials that is already physically measured, like its reflectance values. Are all these measurements enough to create a material that can be percieved as photorealistic, or are there other more diffuse things that needs and artistic input? This paper will take silver as an example. Silver often has two distinct types of oxidation: one semi-transparent yellow-ish coating and one more black opaque tarnish. Is this something that can be dialed in from derived data? What properties of the metal will change when the oxidation occurs and how will it affect it look of it from a shading perspective? Silver utilitys will be thoroughly examined to make out what important visual cues there are, and what they are made of. This information will then be used to create a silver material that could be percieved as real. A reference silver cup will be used as a comparison next to the rendered material.
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蔡克俊. "R&D Input and Performance of Taiwan’s IC Design Firms." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/81444274795261155663.
Повний текст джерелаАнотація:
碩士國立交通大學
管理學院碩士在職專班科技管理組
97
This study was to investigate the correlation and impact on R&D quality (patent right), R&D expenditures and operational performance to Taiwan’s IC design firms after China government promotes the IC industry. First, the databases from USPTO (U.S. Patent and Trademark Office) and TEJ (Taiwan Economic Journal) were applied to testify the relationship between the patent stocks, the R&D expenditures and the operational performance of Taiwan’s IC design firms. Second, take Cobb-Douglas form as actual output model to observe the flexibility of input resources and operational performance of IC design firms in Taiwan. The Chow model was also applied to study the impact on Taiwan’s IC design firms after China involved in the same industry. The result indicated that the R&D input was one of the important factors that affect large scaled Taiwan’s IC design firms while patent did not have obvious effect on this. Besides, the relationship between the R&D expenditures and the operational performance of Taiwan’s IC design firms was not obvious changed around year 2000.
32
"Economic capacity utilization and productivity measurement for multiproduct firms with multiple quasi-fixed inputs." Sloan School of Management, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/2239.
Повний текст джерела
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Chuang, Min-ya, and 鍾明雅. "The Association between Human Resource Input and Operating Performance for Public Accounting Firms." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/60224675555598113463.
Повний текст джерелаАнотація:
碩士開南大學
會計學系
99
This study applies translog function to investigate the relation between revenue and human resource inputs in public accounting firms. Using a balance panel of annual data for 65 partnership accounting firms for the period 2004-2008, the empirical result indicates that, firstly, average marginal revenue product of partners increased monotonically from 2004 to 2008, and was about 10.34 times that of other professionals. This result implies that partners were, on average, under-compensated compared to other professionals. Secondly, the higher level of audit size, the higher the average marginal revenue product of partners level for public accounting firms. Finally, economies of scale exist in the public accounting industry, that may justify recent merger and acquisition activities. Empirical findings obtained in this study are expected to provide useful information for the owners of public accounting firms in their operating decision-making under the considerably competitive audit market.
34
Chang, Lo-Chieh, and 張絡捷. "Disaggregate Input Efficiency of Securities Firms in Taiwan : An Application of the SFA Approach." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/k7mu2b.
Повний текст джерелаАнотація:
碩士國立交通大學
經營管理研究所
101
In this paper, we apply the stochastic frontier analysis (SFA) to compute the efficiency of securities firms in Taiwan. The panel data set contains a total of 57 securities firms during 2005-2011. A one-stage stochastic frontier analysis is used to estimate the influences of environmental variables on the disaggregate inputs used by securities firms in Taiwan. The output variable in this research is the sum of brokerage revenue, underwriting revenue and proprietary revenue and the input variables are stakeholder equity, operational expenses, labor employment, and total fixed assets. Empirical results show that stakeholder equity and total fixed assets have low input efficiency scores which need to improve a lot. Compared to unpublished securities firms, listed securities firms have worse performance in using stakeholder equity and labor employment but have better performance in using total fixed assets. Compared to securities firms under financial holding companies (FHC), those who are not under a financial holding company have better performance in using stakeholder equity and labor employment but have worse performance in using total fixed assets. The risk-based capital has a positive effect on the efficiency of stakeholder equity. The age of a security firm has a negative effect on the usage efficiency of stakeholder equity.
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YANG, YA-HUEI, and 楊雅惠. "RF Input Power Effect on Characteristics and Protective Behavior of Sputtering TaN Thin Film." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/rjxkvr.
Повний текст джерелаАнотація:
碩士國立聯合大學
材料科學工程學系碩士班
104
A simplified fabricating process for the multilayer coating using an innovative stacking type of single element nitride layers under various deposition input powers were proposed in this study. Tantalum nitride (TaN) single layer and multilayer coatings were manufactured through RF magnetron sputtering. Various deposition input powers from 75 to 150 W were used in fabricating TaN layers with various impingement energies for different structures. For TaN single layers, an amorphous layer formed due to random stacking of atoms at early deposition stage, following which a compact columnar structure evolved. The grain size and surface roughness decreased with the input power, leading to an increase in protective capability. To promote the protective behavior, the TaN multilayer systems consisted of alternately stacked TaN layers were fabricated at input powers of 75/150 and 100/150 W. The layer numbers of 20 and 50 under a fixed 1 μm in total thickness were also considered. The TaN multilayer at 75/150 W with 20 layers presented an amorphous/crystalline structure, while other multilayer coatings showed continuous columnar structures due to the limited growth for amorphous structure. For single layer TaN coatings, a compact columnar structure of the 150 W deposited TaN film was beneficial to the hardness and tribological behavior. On the other hand, the TaN film under 100 W with thick amorphous layer at the early deposition stage showed a superior corrosion resistance. For the TaN multilayers, an average hardness between those staked single layers was expected. For tribological analysis, narrower wear scars and limited film failure for multilayer systems indicated a greater durability than the single-layer TaN films. In Rockwell-C adhesion and scratch tests, the TaN multilayer with 50 layers showed higher adhesion strength due to more interfaces. Owing to the obvious stratified amorphous/crystalline structure, the TaN multilayer deposited at 75/150 W with 20 layers presented a better corrosion resistance.
36
Chia-EnWu and 吳佳恩. "Designs of Optical Pixel Sensors for Thin-Film Transistor Liquid Crystal Displays with Optical Input Functions." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/krzzs4.
Повний текст джерела
37
Wang, Yu-Ting, and 王鈺婷. "Comparison of R&D Inputs and Operation Performance Between Firms Located On and Off Science-Based Industrial Park." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/62661100147738083155.
Повний текст джерелаАнотація:
碩士樹德科技大學
經營管理研究所
91
Knowledge and innovation are obtained from Research and Development（R&D）. The firms engage in R&D would acquire innovative products and process, and reduce the time to commercialize new products. Thus, R&D is not only able to increase sales but also able to reduce the production cost. To enhance industrial competitiveness and promote the industries upgrade, the government makes many policies to encourage firms to engage in R&D. One of the policies is to establish “Science-Based Industrial Park”. The main industries in Hshinchu Science-Based Industrial Park are electronic related industry, including IC, PC related, communications and optronics industry. Thus, the targets of this study are the stock public issued electronic related. We separate the firms into three parts, which are located on, neighboring, and off Hshinchu Science-Based Industrial Park. The SFI and TEJ online database are used to collect firms’ financial statement from 1996 to 2001. Then, a multiple regression function was proposed and used to analyze the influence of R&D density（RDI） on the operating performance. The main findings of this study are as follows: First, the RDI of firms located on science-based park is more significant higher than off science-based park. Second, the operating performance is insignificant between firms located on and off science-based park. Finally, the RDI is negatively related to the operating performance regardless the firms located on or off science-based park or not.
38
Doganata, Zinnur. "General structural representations for multi-input multi-output discrete-time FIR and IIR lossless systems." Thesis, 1990. https://thesis.library.caltech.edu/711/1/Doganata_z_1990.pdf.
Повний текст джерелаАнотація:
Discrete-time lossless systems have been found to be of great importance in many signal processing applications. However, a representation for lossless transfer matrices that spans all such matrices with the smallest possible number of parameters has not been proposed earlier. Existing representations are usually for special cases and therefore not general enough. In this study, two general and minimal representations are presented for multi-input, multi-output FIR and IIR lossless systems. The first representation is in terms of planar rotations and it leads to multi-input, multi-output lattice structures. The second representation is in terms of unit-norm vectors and it enables shorter convergence times in optimization applications. A simple modification of this representation leads to structures that remain lossless under quantization. The structures that follow from these representations share some properties such as the orthogonality of the implementations, and minimality of the number of parameters and scalar delays they are. Since all lossless transfer matrices can be spanned by appropriately adjusting their parameters, these structures can be particularly useful in applications that involve optimization under the constraint of losslessness. Some examples of such applications are included.
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Chun-Chieh, Liao, and 廖俊杰. "CAUSAL RELATIONSHIP BETWEEN INPUT & OUTPUT OF INTELLECTUAL CARITAL AND CORPORATE INTANGIBLE VALUE ------FOR TAIWAN MANUFACTURING FIRMS." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/35252148189102368032.
Повний текст джерелаАнотація:
博士國立臺北大學
企業管理學系
92
The objective of this paper is to explore the nature of intellectual capital and to investigate relationship between intellectual capital and corporate value in Taiwan manufacturing firms. Input-output theory was used to clarify the relationship between the intellectual capital measurement indicators, and to explore the impact of intellectual capital on enterprise value creation process. In this study, we define human capital, process capital, innovation capital and relationship capital as four constructs of intellectual capital. The corporate value is measured by using two different indicators：market-to-book value & Value Added Intellectual Coefficient(VAICTM). The sample included 699 technique-intensive & 658 manufacturing industries，which are listed on the stock market, and all data are collected from Taiwan Economic Journal (TEJ). We apply Structure Equation Model to analyze the relationships among four constructs of intellectual capital , and the relationship between intellectual capital and corporate value. The following discoveries were made: 1. 21 key intellectual capital indicators were collected； 2. we find that human capital is the main driver of in the valuation creation process, it includes the so-called “spill-over” effect； 3. the process capital and human capital have indirect effect on corporate value; while innovation capital and relationship capital have direct and positive effect on it 4. we find 11 different channel to create corporate value. Enterprises can use this finding to establish a intellectual capital system model suited to the characteristics of the industry in which the enterprise operates; they should conduct ongoing monitoring and improvement of this model, and should continue to allocate resources to enhance the value of the enterprise’s intellectual capital system.
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Feng, Hsin-Chin, and 馮馨槿. "Disaggregate Input Efficiency of Securities Firms in Taiwan and Mainland China: An Application of the SFA Approach." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/4htkw5.
Повний текст джерелаАнотація:
碩士國立交通大學
經營管理研究所
104
With the financial reforms in mainland China and the financial freedom in Taiwan, the communication and cooperation in financial markets across the Taiwan Strait are becoming deeper, which boosts the development of security industry across the strait. This paper applies stochastic frontier approach to estimate the operation efficiency and the input factors efficiency of the 53 securities firms across the strait from 2010 to 2014, and to analyze the effects of environmental factors on the efficiency score. The paper treats shareholder’s equity, the operating expenses and the fixed assets as the input factors, and total revenue as the output factor. Environmental factors are total assets, gross region product, per capita income, financial leverage ratio, debt asset ratio, IFRS dummy variable and the region dummy variable. Our major empirical findings are as follows: On the input factor of operating expenses, the efficiency score in Taiwan is higher than that in mainland China with significance. On the input factor of fixed assets, the efficiency scores in mainland China is higher than that in Taiwan with significance. On the operation efficiency and the input factor of shareholder’s equity efficiency, there is no significant difference between two areas. Total assets and the financial leverage ratio have significant effects on the operation efficiency as well as the input factors efficiency. Gross region product has significant effects on the input factor of operating expenses efficiency and fixed assets efficiency. Per capita income has significant effects on the operation efficiency as well as the input factor of operating expenses efficiency and fixed assets efficiency. Debt asset ratio has significant effects on the input factor of shareholder’s equity efficiency.
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Hu, Daping. "'Integrate and fire' or 'coincidence detection' : an in vivo study in the cat visual cortex of how neurones code sensory inputs." Phd thesis, 2003. http://hdl.handle.net/1885/148459.
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Yen, Hsiao-Yun, and 顏曉筠. "The Effect of R&D Input on The Value of Firms in High-Tech and Electronic Industry－Panel Threshold Analysis." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/07390282833500751744.
Повний текст джерелаАнотація:
碩士淡江大學
財務金融學系碩士班
93
This study tries to examine the asymmetrical nonlinear threshold effect about the density of R＆D of electronic companies by observing high-tech and electronic industry in Taiwan. And return of asset and Tobin''s Q are treated as proxy for the value of firms. The goal is to find out the best density of R＆D of high-tech and electronic industry and to make the value of firms maximum through panel threshold model. The result shows that double threshold effects exist when Tobin''s Q is considered as proxy for the value of firms. The threshold values of the density of R＆D are 2％ and 11％, so that the density of R＆D of firms are divided into three levels. The second level of the density of R＆D is between 2％ and 11％. In this level, the density of R＆D and the value of firms are obviously positively related, and increasing the density of R＆D will improve the value of firms efficiently. In the third level where the density of R＆D is higher than 11％, the density of R＆D and the value of firms are negative relation obviously. In other words, if the electronic companies invest excessively in R&D, it may not bring them benefits but waste. Although the R＆D input of high-tech and electronic companies can not increase the realized value of firms and operating achievement of accounting return significantly, it can accelerate invisible assets and the growing chance of firms in the future.
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WANG, JYUN-JIE, and 王俊傑. "The impact of human resources inputs on the performance in accounting firms before and after the amendment of Certified Public Accountant Act in 2007." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/td7btk.
Повний текст джерелаАнотація:
碩士國立雲林科技大學
會計系
106
The study uses “ The survey of Taiwan’s accounting firms” from Financial Supervisory Commission R.O.C. as the sample. Because the purpose of the study, I observe the sample in the period of 2001-2016 year. The study uses the translog function, dividing the performance indicator into three main business revenues to research the impact of human resources inputs on the performance indicators. Before and after the amendment of Certified Public Accountant Act on 2007 year, the empirical results of Model I and Model II indicates: (1) Every human resource input indeed has the significantly positive relation with the specific performance indicator. (2) To Big 4 accounting firms, only A&A% is significantly and positively affected by human resource inputs; to the others, only MAS% is significantly and positively affected by human resource inputs.
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Debela, Elias Berhanu. "The role of micro and small enterprises (MSA) in local economic development (LED), with a focus on the wood-work MSE value chain." Thesis, 2014. http://hdl.handle.net/10500/14325.
Повний текст джерелаАнотація:
This research had an objective of exploring the role of MSEs in LED through analysis of wood-work MSE value chain. The basic research questions underscore what the domestic wood-work value chain looks like; what major weaknesses and challenges confront the operation of MSEs; what major areas of upgrading and inter-firm relations are evident in the sector; and what MSE value chains contribute to LED. The research exercise was based on review of related literature and a field survey, involving MSE operators drawn from the study area (Addis Ababa). Mixed method of analysis (quantitative and qualitative) was employed to deal with the data collected through questionnaires and interviews. Porter’s model of VC (1985) and UNIDO’s description of wood-work VC (2005) were used to provide conceptual framework. The wood-work sub-sector in Ethiopia has a domestic value chain since main inputs are from local sources, designs are by local producers, and products are for domestic markets. Domestic actors govern the allocation of resources and the distribution of benefits. Public enterprises control plantations hence primary inputs. Wholesalers in turn control inputs, which finally reach MSEs through retailers. Design, production and marketing decisions are made by MSE operators. Middlemen are minor as most of the products reach consumers directly. The value-chain’s downstream is thus described by a short distribution-channel. Horizontal, non-market, linkages characterize inter-firm relations; whereas, arm’s length market linkages dominate the supplier-MSE-buyer relations. In the absence of “lead firms”, wood-work MSE value chains fail to qualify for the mainstream “buyer-driven” model. Without buyer-dominated quasi-hierarchical relationship, MSEs exercise “incremental upgrading” through learning-by-doing. Measures taken to upgrade the production process are considerably inclined to the physical (hardware) aspects of the firm. The MSE value-chain is restrained by internal and external problems. The current state of design marks underdeveloped links in the chain and delays entry into competitive markets. Despite the drawbacks, MSEs enable localities mobilize fragmented resources and create employment. MSEs contribute to LED through the value chain, right from input-sourcing to production and marketing. Inter-firm relations and upgrading efforts uphold the contributions.Development Studies
Ph. D. (Development Studies)
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Beisler, Matthias Werner. "Modelling of input data uncertainty based on random set theory for evaluation of the financial feasibility for hydropower projects." Doctoral thesis, 2010. https://tubaf.qucosa.de/id/qucosa%3A22775.
Повний текст джерелаАнотація:
The design of hydropower projects requires a comprehensive planning process in order to achieve the objective to maximise exploitation of the existing hydropower potential as well as future revenues of the plant. For this purpose and to satisfy approval requirements for a complex hydropower development, it is imperative at planning stage, that the conceptual development contemplates a wide range of influencing design factors and ensures appropriate consideration of all related aspects.
Since the majority of technical and economical parameters that are required for detailed and final design cannot be precisely determined at early planning stages, crucial design parameters such as design discharge and hydraulic head have to be examined through an extensive optimisation process.
One disadvantage inherent to commonly used deterministic analysis is the lack of objectivity for the selection of input parameters. Moreover, it cannot be ensured that the entire existing parameter ranges and all possible parameter combinations are covered.
Probabilistic methods utilise discrete probability distributions or parameter input ranges to cover the entire range of uncertainties resulting from an information deficit during the planning phase and integrate them into the optimisation by means of an alternative calculation method.
The investigated method assists with the mathematical assessment and integration of uncertainties into the rational economic appraisal of complex infrastructure projects. The assessment includes an exemplary verification to what extent the Random Set Theory can be utilised for the determination of input parameters that are relevant for the optimisation of hydropower projects and evaluates possible improvements with respect to accuracy and suitability of the calculated results.Die Auslegung von Wasserkraftanlagen stellt einen komplexen Planungsablauf dar, mit dem Ziel das vorhandene Wasserkraftpotential möglichst vollständig zu nutzen und künftige, wirtschaftliche Erträge der Kraftanlage zu maximieren. Um dies zu erreichen und gleichzeitig die Genehmigungsfähigkeit eines komplexen Wasserkraftprojektes zu gewährleisten, besteht hierbei die zwingende Notwendigkeit eine Vielzahl für die Konzepterstellung relevanter Einflussfaktoren zu erfassen und in der Projektplanungsphase hinreichend zu berücksichtigen. In frühen Planungsstadien kann ein Großteil der für die Detailplanung entscheidenden, technischen und wirtschaftlichen Parameter meist nicht exakt bestimmt werden, wodurch maßgebende Designparameter der Wasserkraftanlage, wie Durchfluss und Fallhöhe, einen umfangreichen Optimierungsprozess durchlaufen müssen. Ein Nachteil gebräuchlicher, deterministischer Berechnungsansätze besteht in der zumeist unzureichenden Objektivität bei der Bestimmung der Eingangsparameter, sowie der Tatsache, dass die Erfassung der Parameter in ihrer gesamten Streubreite und sämtlichen, maßgeblichen Parameterkombinationen nicht sichergestellt werden kann. Probabilistische Verfahren verwenden Eingangsparameter in ihrer statistischen Verteilung bzw. in Form von Bandbreiten, mit dem Ziel, Unsicherheiten, die sich aus dem in der Planungsphase unausweichlichen Informationsdefizit ergeben, durch Anwendung einer alternativen Berechnungsmethode mathematisch zu erfassen und in die Berechnung einzubeziehen. Die untersuchte Vorgehensweise trägt dazu bei, aus einem Informationsdefizit resultierende Unschärfen bei der wirtschaftlichen Beurteilung komplexer Infrastrukturprojekte objektiv bzw. mathematisch zu erfassen und in den Planungsprozess einzubeziehen. Es erfolgt eine Beurteilung und beispielhafte Überprüfung, inwiefern die Random Set Methode bei Bestimmung der für den Optimierungsprozess von Wasserkraftanlagen relevanten Eingangsgrößen Anwendung finden kann und in wieweit sich hieraus Verbesserungen hinsichtlich Genauigkeit und Aussagekraft der Berechnungsergebnisse ergeben.
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Vijaya, Krishna A. "A Filterbank Precoding Framework For MIMO Frequency Selective Channels." Thesis, 2006. https://etd.iisc.ac.in/handle/2005/1084.
Повний текст джерелаАнотація:
Wireless systems with multiple antennas at both the transmitter and receiver (MIMO systems) have been the focus of research in the recent past due to their ability to provide higher data rates and better reliability than their single antenna counterparts. Designing a communication system for MIMO frequency selective channels provides many signal processing challenges. Popular methods like MIMOOFDM and space-time precoding linearly process blocks of data at both the transmitter and the receiver. Independence between the blocks is ensured by introducing sufficient redundancy between successive blocks. This approach has many pitfalls, including the limit on achievable data rate due to redundancy requirements and the need for additional coding/processing.
In this thesis, we provide a filterbank precoding framework (FBP) for communication over MIMO frequency selective channels. By viewing the channel as a polynomial matrix, we derive the minimum redundancy required for achieving FIR equalization of the precoded channel. It is shown that, for most practical channels, a nominal redundancy is enough. The results are general, and hold for channels of any dimension and order. We derive the zero-forcing and MMSE equalizers for the precoded channel. The role of equalizer delay in system performance is analyzed.
We extend the minimum redundancy result to the case of space-time filterbank precoding (STFP). Introducing the time dimension allows the channel to be represented by a block pseudocirculant matrix. By using the Smith form of block pseudocirculant matrices, we show that very high data rates can be achieved with STFP.
When channel information is available at the transmitter, we derive an iterative algorithm for obtaining the MMSE optimal precoder-equalizer pair. We then provide a comparison of FBP with the block processing methods. It is shown that FBP provides better BER performance than the block processing methods at a lower computational cost. The reasons for the better performance of FBP are discussed.
47
Vijaya, Krishna A. "A Filterbank Precoding Framework For MIMO Frequency Selective Channels." Thesis, 2006. http://hdl.handle.net/2005/1084.
Повний текст джерелаАнотація:
Wireless systems with multiple antennas at both the transmitter and receiver (MIMO systems) have been the focus of research in the recent past due to their ability to provide higher data rates and better reliability than their single antenna counterparts. Designing a communication system for MIMO frequency selective channels provides many signal processing challenges. Popular methods like MIMOOFDM and space-time precoding linearly process blocks of data at both the transmitter and the receiver. Independence between the blocks is ensured by introducing sufficient redundancy between successive blocks. This approach has many pitfalls, including the limit on achievable data rate due to redundancy requirements and the need for additional coding/processing.
In this thesis, we provide a filterbank precoding framework (FBP) for communication over MIMO frequency selective channels. By viewing the channel as a polynomial matrix, we derive the minimum redundancy required for achieving FIR equalization of the precoded channel. It is shown that, for most practical channels, a nominal redundancy is enough. The results are general, and hold for channels of any dimension and order. We derive the zero-forcing and MMSE equalizers for the precoded channel. The role of equalizer delay in system performance is analyzed.
We extend the minimum redundancy result to the case of space-time filterbank precoding (STFP). Introducing the time dimension allows the channel to be represented by a block pseudocirculant matrix. By using the Smith form of block pseudocirculant matrices, we show that very high data rates can be achieved with STFP.
When channel information is available at the transmitter, we derive an iterative algorithm for obtaining the MMSE optimal precoder-equalizer pair. We then provide a comparison of FBP with the block processing methods. It is shown that FBP provides better BER performance than the block processing methods at a lower computational cost. The reasons for the better performance of FBP are discussed.
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Idowu, Oluwaseun Ayodeji. "Heat Affected Zone Cracking of Allvac 718Plus Superalloy during High Power Beam Welding and Post-weld Heat Treatment." 2010. http://hdl.handle.net/1993/3911.
Повний текст джерелаАнотація:
The present dissertation reports the findings of a study of cracking behavior of a newly developed superalloy, Allvac 718Plus during high power beam welding and post-weld heat treatment. Microstructures of the base alloy, heat affected zone (HAZ) and fusion zone (FZ) of welded and post-weld heat treated (PWHT) coupons were examined by the use of standard metallographic techniques involving optical microscopy, analytical scanning electron microscopy (SEM) and analytical transmission electron microscopy. Moreover, grain boundary segregation behavior of boron atoms during pre-weld heat treatments was evaluated using secondary ion mass spectroscopic system.
In the first phase of the research, 718Plus was welded using a low and high heat input CO2 laser to assess its weld cracking response. Detailed examination of the welds by analytical electron microscopic technique revealed the occurrence of cracking in the HAZ of low heat input welds, while their FZ was crack free. However, both the FZ and HAZ of high heat input welds were crack-free. Resolidified constituents were observed along the cracked grain boundaries of the lower heat input welds, which indicated that HAZ cracking in this newly developed superalloy was associated with grain boundary liquation. However, despite a more extensive liquation of grain boundaries and grain interior in the HAZ of high heat input welds, no cracking occurred. This was attributed to the combination of lower welding stresses generated during cooling, and relaxation of these stresses by thick intergranular liquid.
Although HAZ cracking was prevented by welding with a high heat input laser, it resulted in a significant damage to the parent microstructure through its extensive liquation. Thus, the use of low heat input welding is desirable. However, this resulted in HAZ cracking which needs to be minimized or eliminated. Therefore, during the second phase of this research, the effects of pre-weld thermal processing on the cracking response of 718Plus were investigated. Results from the quantification of the cracking of the alloy showed that HAZ cracking may be significantly reduced or eliminated through an adequate selection of pre-weld thermal cycle.
In the third stage of this research, crack-free welds of 718Plus were post-weld heat treated using standard thermal schedules. A significant solid state cracking of the alloy occurred during the PWHT. The cracking was attributed to the presence of embrittling phases on HAZ grain boundaries, coupled with aging contraction stresses that are generated by a considerable precipitation of gamma prime phase during aging.