Letteratura scientifica selezionata sul tema "Gravity Model"

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Articoli di riviste sul tema "Gravity Model"

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Kim, Juyoung, e Jeongsoo Kim. "Trade Area Analysis through Gravity Model". Journal of Channel and Retailing 26, n. 4 (dicembre 2021): 49–72. http://dx.doi.org/10.17657/jcr.2021.10.31.3.

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Ševela, M. "Gravity-type model of Czech agricultural export". Agricultural Economics (Zemědělská ekonomika) 48, No. 10 (1 marzo 2012): 463–66. http://dx.doi.org/10.17221/5353-agricecon.

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The article concentrates on the application of gravity-type model to explain the volume of agro-exports from the Czech Republic. The multiplicative exponential function of the appropriate explanatory variables is used to describe the bilateral trade flows. Gross national product, gross national product per capita and geographical distance between the capitals of economies proved statistically significant. From regression analysis of the transformed data, there is apparent the positive correlation between the export volume of the commodity group 0 – Food and live animals SITC, rev.3 and gross national income. On the contrary, the negative correlation is between the agro-export volume and gross national income per capita and geographical distance as well. The built model is significant at the 5% level and explains more than 75% of dependent variable variance.
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Purnawan Jati, Slamet Sujud. "Studi Interaksi Masyarakat Masa Lampau Suatu Analisis Model Graviti (Gravity Model)". Berkala Arkeologi 19, n. 1 (28 maggio 1999): 78–88. http://dx.doi.org/10.30883/jba.v19i1.794.

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Pada kesempatan ini akan diintrodusir suatu model pendekatan dari Stephen Plog. Dalam hal ini, Plog mencoba mengintrodusir model graviti atau model gaya berat (gravity model) untuk memprediksi dengan akurat kuantitas interaksi antara desa-desa di suatu lembah tertentu. Plog akan membuktikan bahwa para ahli antropologi, sejarah, dan arkeologi dapat menguji hal yang dapat dipercaya dari ukuran interaksi mereka sendiri dengan menggunakan data dari masyarakat masa lampau. Model ini dilakukan dengan akurat dan bermanfaat, serta dapat dimodifikasi oleh penemuan-penemuan baru di masa lampau.
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Kruglov, Sergey. "Arctan-Gravity Model". Universe 1, n. 1 (22 maggio 2015): 82–91. http://dx.doi.org/10.3390/universe1010082.

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Pavlenko, Yu. "GRAVITY: THEORETICAL MODEL". TRANSBAIKAL STATE UNIVERSITY JOURNAL 28, n. 5 (2022): 120–29. http://dx.doi.org/10.21209/2227-9245-2022-28-5-120-129.

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A theoretical model of the formation of gravity and such dialectical categories as time, speed of light and intranuclear superdense matter, directly related to it, are presented. Categories are forms of knowledge reflection about the universal laws of the objective world, its unity, interaction and development of its components. Gravity is the main creative derivative of the potential energy of the Universe. This is a product of the process of interference of quantum wave fluctuations of potential energy and coherent wave oscillations of the quark-gluon energy mechanism of atomic nuclei. The consequence of the most complex microwave interaction between the potential energy consumed by nuclei and the internal energy of atomic nuclei are ultrashort waves, representing electromagnetic γ-radiation (γ-quantum, photon, corpuscle). In areas of increased concentration of wave energy, when the anomalous threshold oscillation frequency of 734 Hz is reached, the interaction of locally manifested wave processes of quantum fluctuation and interference can form elementary particles with a dense mass, increased energy charge and other characteristics characteristic of baryonic matter. The frequency of 734 Hz, indistinguishable by man, corresponds to the time interval of 0.00136 seconds and the supposed boundary of the pulsating material Universe. Electromagnetic and gravitational radiations are actively formed on it, entropy and products of other energy processes corresponding to the bifurcation boundary of evolution decrease or increase. The relevance of the research lies in the expediency of systematics, structuring, systematization of fundamental knowledge about matter, its "origins" to clarify the methodological principles and the significance of the "original" energy evolution in natural science. The object of the research is gravity - one of the most important methodological categories in the form of fundamental time. The subject of the research is the fundamental properties of gravity, which ensure the existence and evolution of the matter of the Metagalaxy. The purpose of the research is virtual forms of the existence and evolution of gravity, and the main task to be solved is to clarify the significance of the wave quantum fluctuation of energy. The methodological tool for solving the problem is the numerous fundamental structural levels of the organization of the matter of the Universe, indicating its polygenic energy essence and evolutionary nature. The concept of a system of scientifically based, interconnected and logically linked scientific views based on many years of experience in small-medium-scale predictive studies in the oldest mining region of Russia - Eastern Transbaikalia. Encyclopedic natural-science knowledge of the matter of the Universe, fundamental hierarchical structures of its matter, cause-and-effect relationships of the functioning of energy systems, theoretical and practical models of the Earth's matter, as well as knowledge of the objective perception of the world, its laws and phenomena by collecting, computer processing of empirical data to solve the problem are used. . It is taken into account that dialectical materialism beyond the "visibility" (length) of light (optical) and electron waves is gradually being replaced by theoretical (philosophical) materialism based on the laws of logic and fractal. Gravity combines space and time into a single energy category called the Universe
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Anderson, James E. "The Gravity Model". Annual Review of Economics 3, n. 1 (settembre 2011): 133–60. http://dx.doi.org/10.1146/annurev-economics-111809-125114.

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Shah Zainal Abidin, Irwan, Muhammad Haseeb, Lee Wen Chiat e Md Rabiul Islam. "Determinants of Malaysia – BRICS trade linkages: gravity model approach". Investment Management and Financial Innovations 13, n. 2 (14 luglio 2016): 389–98. http://dx.doi.org/10.21511/imfi.13(2-2).2016.14.

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The main objective of this study is to explore the long-run and short-run relationship between trade and other macroeconomic variables of Malaysian and the BRICS countries. To test relationship between trade and other macroeconomic variables, the empirical investigation will be conducted based on the dynamic ordinary least square (DOLS) and fully modify ordinary least square (FMOLS) model for the period 1980-2015. Results of both DOLS and FMOLS show that out of all the variables included in the model distance between Malaysia and BRICS countries and corruption of both side have negative affect on bilateral trade between them. Whereas, GDP, GDP per capita and trade to GDP ratio are positively contribute in the bilateral trade. However, inflation and exchange rate of Malaysia and BRCIS countries have no effect on the bilateral trade between Malaysia and BRICS countries. The findings suggest that economic strengthening as the basis for increase in trade between Malaysia and BRICS members. Investment appears to be complementary to the trading relations in the Malaysia-BRICS case. The social capital also plays role in supporting the trade
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Nerem, R. S., F. J. Lerch, J. A. Marshall, E. C. Pavlis, B. H. Putney, B. D. Tapley, R. J. Eanes et al. "Gravity model development for TOPEX/POSEIDON: Joint Gravity Models 1 and 2". Journal of Geophysical Research 99, n. C12 (1994): 24421. http://dx.doi.org/10.1029/94jc01376.

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Poorooshasb, H. B. "One Gravity Model Testing". Soils and Foundations 35, n. 3 (settembre 1995): 55–59. http://dx.doi.org/10.3208/sandf.35.55.

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Mayo, Edward J., Lance P. Jarvis e James A. Xander. "Beyond the gravity model". Journal of the Academy of Marketing Science 16, n. 3-4 (settembre 1988): 23–29. http://dx.doi.org/10.1007/bf02723355.

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Tesi sul tema "Gravity Model"

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Sellner, Richard, Manfred M. Fischer e Matthias Koch. "A Spatial Autoregressive Poisson Gravity Model". Wiley-Blackwell, 2013. http://dx.doi.org/10.1111/gean.12007.

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In this article, a Poisson gravity model is introduced that incorporates spatial dependence of the explained variable without relying on restrictive distributional assumptions of the underlying data-generating process. The model comprises a spatially filtered component including the origin-, destination-, and origin-destination-specific variables and a spatial residual variable that captures origin- and destination-based spatial autocorrelation. We derive a two-stage nonlinear least-squares (NLS) estimator (2NLS) that is heteroscedasticity- robust and, thus, controls for the problem of over- or underdispersion that often is present in the empirical analysis of discrete data or, in the case of overdispersion, if spatial autocorrelation is present. This estimator can be shown to have desirable properties for different distributional assumptions, like the observed flows or (spatially) filtered component being either Poisson or negative binomial. In our spatial autoregressive (SAR) model specification, the resulting parameter estimates can be interpreted as the implied total impact effects defined as the sum of direct and indirect spatial feedback effects. Monte Carlo results indicate marginal finite sample biases in the mean and standard deviation of the parameter estimates and convergence to the true parameter values as the sample size increases. In addition, this article illustrates the model by analyzing patent citation flows data across European regions. (authors' abstract)
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Wu, Wei Trindade Vitor. "Three essays on trade gravity model". Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6156.

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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb 17, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Dissertation advisor: Dr. Vitor Trindade. Vita. Includes bibliographical references.
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Kalasin, Thaveechai. "Dynamic macroelement model for gravity retaining walls". Thesis, University of Bristol, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404085.

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Karl, Joanna Robin. "Gravity Sedimentation: A One-Dimensional Numerical Model". PDXScholar, 1993. https://pdxscholar.library.pdx.edu/open_access_etds/4594.

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A large fraction of the current cost of wastewater treatment is from the treatment and disposal of wastewater sludge. Improved design, energy efficiency, and performance of dewatering facilities could significantly decrease transport and disposal costs. Dewatering facilities are designed based on field experience, trial and error, pilot plant testing, and/or full scale testing. Design is generally time-consuming and expensive. A full-scale test typically consists_ of side-by-side operation of 4 to 5 full-scale dewatering units for several weeks to more than 6 months. Theoretical modeling of the physics of dewatering units such as the belt filter press, based on laboratory determined sludge properties, would better predict dewatering performance. This research developed a numerical computer model of the physics of gravity sedimentation. The model simulated the gravity sedimentation portion of the belt filter press. The model was developed from a physically-based numerical computer model of cake filtration by Wells (1990). As opposed to the cake filtration model, the inertial and gravity terms were retained in the gravity sedimentation model. Although in the cake filtration model, the inertial terms were shown to be negligible, according to Dixon, Souter, and Buchanan (1985), inertial effects in gravity sedimentation cannot generally be ignored. The region where inertia is important is the narrow interface between suspension and sediment. In the cake filtration model the gravity term was negligible due to the relatively large magnitude of the applied pressure; but in the gravity sedimentation model, since there was no applied pressure, it was necessary to consider the effect of gravity. _ Two final governing equations were developed - solid continuity and total momentum with continuity ("momentum"). ·The finite difference equations used a "space-staggered" mesh. The solid continuity equation was solved using an explicit formulation, with a forward difference in time and central difference in space. The "momentum" equation used a fully implicit formulation with a forward difference in time. The modeler could choose either a central difference or forward difference in space. Non-linear terms were linearized. Boundary Conditions and constitutive relationships were determined. Numerical errors in the numerical model were analyzed. The model was calibrated to known data and verified with additional data. The model was extremely sensitive to the constitutive relationships used, but relatively unaffected by the At or the use of central difference or forward difference for the spatial derivative term in the "momentum" equation. Correlations of the calibrated model to data with a low initial concentration show that the constitutive parameters approximate the data, but not very well. Model runs with low initial concentration required the addition of artificial viscosity to remain stable. The gravity term was always significant, whereas the inertial terms were many orders of magnitude less than gravity. However, the lower the initial concentration, the larger the inertial terms. In addition to the belt filter press, the model can also be applied to cake filtration and design of gravity sedimentation tanks as well.
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Ahmed, Dhafar Ibrahim. "Experimental and numerical study of model gravity currents in coastal environment : bottom gravity currents". Thesis, Brest, 2017. http://www.theses.fr/2017BRES0060/document.

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Le but de ce travail de recherche est de contribuer à une meilleure compréhension de la dynamique de propagation et de la miscibilité de jets gravitaires au-dessous d’un liquide ambiant. Des expériences ont été réalisées en laboratoire à l’aide d’une plateforme expérimentale constituée d’un bassin parallélépipédique contenant de l’eau douce et d’un canal d’injection de section rectangulaire de jets gravitaires de concentration constante initiale fixée. Les calculs mathématiques et numériques sont basés sur les modèles RANS (Reynolds-Averaged Navier Stokes equations), k-ε (K-epsilon) et DCE (Diffusion-Convective Equation) de la fraction volumique de l’eau salée pour décrire la propagation et le mélange du jet gravitaire. L’évolution du front du jet obtenue expérimentalement est utilisée pour valider le modèle numérique. Par ailleurs, la comparaison des résultats obtenus sur l’écoulement moyen (z⁄z0.5 =U/Umax) avec ceux des études 2D expérimentales et numériques antérieures ont montré des similarités. La simulation numérique des champs hydrodynamiques montre que la vitesse maximale est atteinte à la position 0.18 z0.5, où z0.5 est la hauteur d’eau pour laquelle la vitesse moyenne u est égale à la moitié de la vitesse maximale Umax
The aim of this investigation is to contribute to a better understanding of the propagation dynamics and the mixing process of dense gravity currents. The Laboratory experiments proceeded with a fixed initial gravity current concentration in one experimental set-up. The gravity currents are injected using a rectangular injection channel into a rectangular basin containing the ambient lighter liquid. The injection studied is said in unsteady state volume, as the Reynolds number lies in the range 1111 - 3889. The experiments provided the evolution of the boundary interface of the jet, and it is used to validate the numerical model. The numerical model depends on the Reynolds-Averaged Navier Stokes equations (RANS). The k-ε (K-epsilon) and the Diffusion-Convective Equation (DCE) of the saline water volume fraction were used to model the mixing and the propagation of the gravity current jet. On the other hand, comparison of the mean flow (z⁄z0.5 =U/Umax) with previous two-dimensional numerical simulations and experimental measurements have shown similarities. The numerical simulations of the hydrodynamic fields indicate that the velocity maximum at 0.18 z0.5, where z0.5 is the height at which the mean velocity u is the half of the maximum velocity Umax
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Buchanan, Katherine Ann. "The social, geographical, and structural environments of minor noble residences in Angus, 1449-1542". Thesis, University of Stirling, 2014. http://hdl.handle.net/1893/21135.

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Relying upon two common trends in modern castle studies, this exploratory study works to combine the landscape context and the spatial interaction of the main building to create an assessment of the spatial and social interaction between the main residential structure of a noble’s estate and the landscape features attached to surrounding property features. To explore questions about this kind of interaction this project has taken the sheriffdom of Angus, Scotland, between the year 1450 and 1542, to examine non-royal residences in an area that offered a diverse topography. This project aims to gain a better understanding of the surroundings of late fifteenth and early sixteenth century noble residences in Angus while contributing to the growing discussion of castles and their landscapes, and testing methods for addressing the spatial and social interaction between the main structure and the landscape features. Section A discusses the three source types used for compiling the dataset for this project within the context of three key categories needed to create a GIS dataset: location, object, and attributes. From the landscape features the mills and fishings were the most commonly mentioned and further details regarding the contents of the lordly landscapes were rare. Section B explores three methods of examining the relationships between the main residence and the landscape features: a modified RA and RRA values assessment, which measured levels of segregation within the noble residence site as a whole; a version of the gravity model, which helped identify the draw for interaction within the arrangement of the noble’s landscape; and network analysis questions, which facilitated a clear assessment of any connections between the use of structural terms and landscape features mentioned over both temporal and social contexts. This exploration of spatial and social interaction opens up a discussion about Scottish noble landscape creation and new methods for studying the relationship between the main structure and the wider complex of a noble residence.
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Chattopadhyay, Mohar. "Gravity wave parameterization in the general circulation model". Thesis, University of Canterbury. Physics and Astronomy, 2003. http://hdl.handle.net/10092/6065.

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Although there is a rich literature on modelling the effects of broad spectrum gravity waves (GW) in General circulation Models (GCM), the effect of a coupled interactive broad spectrum and monochromatic GW has not been studied in detail. Such a study is of paramount importance as it could conclusively demonstrate that the coupled interactive broad spectrum and monochromatic GW can be parameterized in a GCM and its effects on atmospheric circulations can be studied. The main objective of this thesis is to investigate how the climate simulated by the Unified Model (UM), a state-of-the-art GCM, responds to more physically realistic gravity wave parameterizations, beginning with the addition of a spectral gravity wave scheme, and then progressing to a scheme which couples both orographic and spectral gravity waves. Behaviour of the schemes are analyzed using a set of four idealized experiments in a single column test-bed based on the architecture of the UM. Results from these experiments are discussed before implementing the schemes in the UM. These findings provide the necessary backdrop around which more complex interactions modelled by the UM are discussed. The UM is run for six years with the two GW schemes. Monthly means of a range of diagnostic fields results are compared qualitatively with the U.K. Met. Office global assimilated data. Both schemes simulate the overall structure of the atmospheric circulation. The simulations based on the two GW schemes are also compared against each other to observe any potential effect on the climatology of the UM due to their different underlying assumptions. The results show sensitivity of the model in the dynamics of middle atmosphere. Some degree of variability is also exhibited in tropospheric circulation. A major conclusion that emerges from the extension of the spectral gravity wave scheme to the coupled interactive scheme is that the latter is equivalent to a change in the global mean gravity wave strength.
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Hall, David. "A mathematical model for rapid gravity filter backwashing". Thesis, University College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272201.

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Raizner, Carina. "GOCE data and gravity field model filter comparison". Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2007. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-34036.

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Driver, David. "BREXIT: The Swedish Perspective : A Gravity Model Approach". Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264219.

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The subject of trade negotiations has been a highly publicised debate in the context of Brexit. The term ‘no deal’ has come to represent the United Kingdom leaving with no specific or comprehensive preferential trade agreement, whereas the potentially most far-reaching deal would resemble something along the lines of an EFTA membership. By using bilateral trade data between 2005 and 2017 for Sweden and their top 60 trading partners, an elaborated gravity model for trade suggests a significant long-run decline in the magnitude of trade between Sweden and the United Kingdom. For trade in goods, the results suggest an impact between 21.4%-25.7% in reduced bilateral trade between the UK and Sweden, if the UK leave under WTO terms. The findings also indicate that the impact on trade in services, for which the United Kingdom is Sweden’s second largest trading partner, will be significantly more pronounced between 45.7%-70.0% under a ‘no deal’ scenario. Whilst the model is such that no robust conclusions can be made about the EFTA-type deal for goods, they suggest that terms similar to EFTA would have a significant mitigating effect on any reduction in trade in services. However, a less comprehensive free trade agreement would do little to replace lost service trade when compared to the ‘no deal’ impact.
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Libri sul tema "Gravity Model"

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E, Anderson James. The gravity model. Cambridge, MA: National Bureau of Economic Research, 2010.

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van Bergeijk, Peter A. G., e Steven Brakman, a cura di. The Gravity Model in International Trade. Cambridge: Cambridge University Press, 2009. http://dx.doi.org/10.1017/cbo9780511762109.

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Butt, Waheed Akram. Pakistan's export potential: A gravity model analysis. Karachi: State Bank of Pakistan, 2008.

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D'Juran, Clayton Alexander. A combined fratar-gravity model for trip distribution. Ottawa: National Library of Canada, 1995.

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Flavin, T. J. Explaining stock market correlation: A gravity model approach. Maynooth, Co. Kildare: National University of Ireland, Maynooth, 2001.

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Eita, J. H. Estimating Namibia's export potential: A gravity model approach. Windhoek, Namibia: UNDP, 2008.

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Eita, J. H. Estimating Namibia's export potential: A gravity model approach. Windhoek, Namibia: UNDP, 2008.

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Eita, J. H. Estimating Namibia's export potential: A gravity model approach. Windhoek, Namibia: UNDP, 2008.

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E, Smith D., e Goddard Space Flight Center, a cura di. An improved gravity model for Mars: Goddard Mars Model--1 (GMM--1). Greenbelt, Md: Goddard Space Flight Center, 1993.

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The gravity model in international trade: Advances and applications. Cambridge: Cambridge University Press, 2010.

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Capitoli di libri sul tema "Gravity Model"

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Santana, Maria. "Gravity model". In Encyclopedia of Tourism, 402–3. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-01384-8_97.

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Santana, Maria. "Gravity model, tourism". In Encyclopedia of Tourism, 1–2. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-01669-6_97-1.

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Dobado, Antonio, Angel Gómez-Nicola, Antonio L. Maroto e José R. Peláez. "Gravity and the Standard Model". In Effective Lagrangians for the Standard Model, 229–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-59191-4_8.

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Douglas, Michael R. "The Two-Matrix Model". In Random Surfaces and Quantum Gravity, 77–83. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3772-4_6.

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Porto, Massimiliano. "The Gravity Model of Trade". In SpringerBriefs in Economics, 65–81. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34529-7_4.

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Neumann, Holger, e Harald Upmeier. "Standard Model Coupled with Gravity". In Noncommutative Geometry and the Standard Model of Elementary Particle Physics, 216–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-46082-9_10.

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Porto, Massimiliano. "The Gravity Model of Trade". In Using R for Trade Policy Analysis, 129–44. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-35044-3_4.

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Marchesano, Fernando, Bert Schellekens e Timo Weigand. "D-brane and F-theory Model Building". In Handbook of Quantum Gravity, 1–68. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-3079-9_57-1.

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Dykas, Paweł, Tomasz Tokarski e Rafał Wisła. "The gravity model of economic growth". In The Solow Model of Economic Growth, 167–82. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003323792-8.

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Shum, C. K., B. D. Tapley, D. N. Yuan, J. C. Ries e B. E. Schutz. "An Improved Model for the Earth’s Gravity Field". In Gravity, Gradiometry and Gravimetry, 97–108. New York, NY: Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4612-3404-3_12.

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Atti di convegni sul tema "Gravity Model"

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Porssut, Thibault, Henrique G. Debarba, Elisa Canzoneri, Bruno Herbelin e Ronan Boulic. "Virtual zero gravity impact on internal gravity model". In 2017 IEEE Virtual Reality (VR). IEEE, 2017. http://dx.doi.org/10.1109/vr.2017.7892300.

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Atallah, Ahmed, e Ahmad Bani Younes. "Parallel Finite Element Gravity Model". In AIAA Scitech 2020 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2020. http://dx.doi.org/10.2514/6.2020-1465.

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Antoniadis, Ignatios, e Karim Benakli. "Weak Gravity Conjecture in an Accelerating Universe". In The International Conference on Beyond Standard Model: From Theory To Experiment. Andromeda Publishing and Academic Services, 2021. http://dx.doi.org/10.31526/acp.bsm-2021.38.

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Buric, Maya, e John Madore. "Geometry of the Grosse-Wulkenhaar model". In 3rd Quantum Gravity and Quantum Geometry School. Trieste, Italy: Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0010.

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Grosse, Harald, e Raimar Wulkenhaar. "Renormalisation of the Grosse-Wulkenhaar model". In 3rd Quantum Gravity and Quantum Geometry School. Trieste, Italy: Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.140.0011.

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6

Atallah, Ahmed, e Ahmad Bani Younes. "Correction: Parallel Finite Element Gravity Model". In AIAA Scitech 2020 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2020. http://dx.doi.org/10.2514/6.2020-1465.c1.

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7

Green, C. M., J. D. Fairhead, S. M. Masterton e P. J. Webb. "Residual Gravity for Plate Tectonic Modelling Based on Global Gravity Model Analysis". In 76th EAGE Conference and Exhibition 2014. Netherlands: EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20141068.

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8

BOROWIEC, A., J. KOWALSKI-GLIKMAN e M. SZCZĄCHOR. "AdS-MAXWELL BF THEORY AS A MODEL OF GRAVITY AND BI-GRAVITY". In Proceedings of the MG13 Meeting on General Relativity. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814623995_0104.

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9

Abe, Yugo, Masaatsu Horikoshi e Takeo Inami. "Quantum Gravity Corrections to the Standard Model Higgs in Einstein and R2 Gravity". In Second LeCosPA International Symposium: Everything about Gravity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813203952_0052.

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10

Álvarez, E., M. Himi, R. Garcia, A. Urruela, R. Lovera, A. Sendrós, A. Casas e L. Rivero. "Gravity Map Compilation and 2D Gravity Model in the Avinyó Area (Catalonia-Spain)". In 1st Conference on Geophysics for Geothermal-Energy Utilization and Renewable-Energy Storage. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201902504.

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Rapporti di organizzazioni sul tema "Gravity Model"

1

Anderson, James. The Gravity Model. Cambridge, MA: National Bureau of Economic Research, dicembre 2010. http://dx.doi.org/10.3386/w16576.

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2

Karl, Joanna. Gravity Sedimentation: A One-Dimensional Numerical Model. Portland State University Library, gennaio 2000. http://dx.doi.org/10.15760/etd.6478.

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3

Morales, Eduardo, Gloria Sheu e Andrés Zahler. Gravity and Extended Gravity: Using Moment Inequalities to Estimate a Model of Export Entry. Cambridge, MA: National Bureau of Economic Research, febbraio 2014. http://dx.doi.org/10.3386/w19916.

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4

Camacho, Paulo. Portugal’s Integration in World Trade: A Gravity Model. DINÂMIA'CET-IUL, 2013. http://dx.doi.org/10.7749/dinamiacet-iul.rp.2013.01.

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5

Couri, F. R., e H. J. Jr Ramey. A finite difference model for free surface gravity drainage. Office of Scientific and Technical Information (OSTI), settembre 1993. http://dx.doi.org/10.2172/10192739.

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6

Demidova, Svetlana, Takumi Naito e Andrés Rodríguez-Clare. The Small Open Economy in a Generalized Gravity Model. Cambridge, MA: National Bureau of Economic Research, agosto 2022. http://dx.doi.org/10.3386/w30394.

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7

Rose, Andrew, e Mark Spiegel. A Gravity Model of Sovereign Lending: Trade, Default and Credit. Cambridge, MA: National Bureau of Economic Research, ottobre 2002. http://dx.doi.org/10.3386/w9285.

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8

Wall, Howard J. Gravity Model Specification and the Effects of the Canada-U.S. Border. Federal Reserve Bank of St. Louis, 2000. http://dx.doi.org/10.20955/wp.2000.024.

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9

Abdollahian, D., e S. Levy. A Two-Phase Flow and Heat Transfer Model for Zero Gravity. Fort Belvoir, VA: Defense Technical Information Center, maggio 1985. http://dx.doi.org/10.21236/ada156097.

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10

Phelps, G. A., e S. E. Graham. Preliminary gravity inversion model of Frenchman Flat Basin, Nevada Test Site, Nevada. Office of Scientific and Technical Information (OSTI), ottobre 2002. http://dx.doi.org/10.2172/803720.

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