Academic literature on the topic 'Gravity Model'

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Journal articles on the topic "Gravity Model"

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Kim, Juyoung, and Jeongsoo Kim. "Trade Area Analysis through Gravity Model." Journal of Channel and Retailing 26, no. 4 (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 (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 a
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Purnawan Jati, Slamet Sujud. "Studi Interaksi Masyarakat Masa Lampau Suatu Analisis Model Graviti (Gravity Model)." Berkala Arkeologi 19, no. 1 (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, no. 1 (2015): 82–91. http://dx.doi.org/10.3390/universe1010082.

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Pavlenko, Yu. "GRAVITY: THEORETICAL MODEL." TRANSBAIKAL STATE UNIVERSITY JOURNAL 28, no. 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 c
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Anderson, James E. "The Gravity Model." Annual Review of Economics 3, no. 1 (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, and Md Rabiul Islam. "Determinants of Malaysia – BRICS trade linkages: gravity model approach." Investment Management and Financial Innovations 13, no. 2 (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
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Nerem, R. S., F. J. Lerch, J. A. Marshall, et al. "Gravity model development for TOPEX/POSEIDON: Joint Gravity Models 1 and 2." Journal of Geophysical Research 99, no. C12 (1994): 24421. http://dx.doi.org/10.1029/94jc01376.

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Isgаndаrov, E., and L. Jabizadeh. "DIGITAL MODELING OF GRAVITY ANOMALIES." POLISH JOURNAL OF SCIENCE, no. 61 (April 17, 2023): 25–32. https://doi.org/10.5281/zenodo.7835027.

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The article is devoted to digital modeling of gravity anomalies, the solution of which plays an important role in the geological interpretation of the observed anomalies in gravity prospecting. The object of study is the Zardab uplift, in the section of which Mesozoic volcanic-sedimentary deposits take part, which are well displayed in a gravity field. Using modern graphical tools such as SURFER and the software developed at the Department of Geophysics for processing and interpreting gravimetric anomalies, 2D and 3D maps of the surface of Mesozoic deposits, maps of the local gravity field and
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Poorooshasb, H. B. "One Gravity Model Testing." Soils and Foundations 35, no. 3 (1995): 55–59. http://dx.doi.org/10.3208/sandf.35.55.

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Dissertations / Theses on the topic "Gravity Model"

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Sellner, Richard, Manfred M. Fischer, and 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 o
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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 th
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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 (Di
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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
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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,
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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,
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Books on the topic "Gravity Model"

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

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van Bergeijk, Peter A. G., and Steven Brakman, eds. The Gravity Model in International Trade. 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. State Bank of Pakistan, 2008.

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

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

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

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

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

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E, Smith D., and Goddard Space Flight Center, eds. An improved gravity model for Mars: Goddard Mars Model--1 (GMM--1). Goddard Space Flight Center, 1993.

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Seid, Edris H. Regional integration and trade in Africa: Augmented gravity model approach. The Horn Economic and Social Policy Institute (HESPI), 2013.

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Book chapters on the topic "Gravity Model"

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

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Santana-Gallego, Maria. "Gravity Model." In Encyclopedia of Tourism. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-030-74923-1_97.

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

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Santana-Gallego, Maria. "Gravity Model in Tourism." In Encyclopedia of Tourism. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-319-01669-6_97-2.

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Dobado, Antonio, Angel Gómez-Nicola, Antonio L. Maroto, and José R. Peláez. "Gravity and the Standard Model." In Effective Lagrangians for the Standard Model. 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. 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 Using R for Trade Policy Analysis. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-35044-3_4.

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

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

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

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Conference papers on the topic "Gravity Model"

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Jia, Xianglong, Hongli Zhao, Weiman Sun, and Bin Zhao. "Thermoelectric Model Research Based on Gravity Heat Pipe." In 2024 4th International Conference on Energy Engineering and Power Systems (EEPS). IEEE, 2024. https://doi.org/10.1109/eeps63402.2024.10804311.

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Zhang, Weiping, Sheng Zhang, Congyuan Xiong, Yuxuan Wang, Fuhao Liu, and Hongmei Mao. "Identifying Important Nodes by Resistance Distance Gravity Model." In 2025 10th International Conference on Information and Network Technologies (ICINT). IEEE, 2025. https://doi.org/10.1109/icint65528.2025.11030897.

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Farisy, Ahmad Arib Al, Chisillia Mayangsari, Sarah Ulfah Al Amany, Devi Sartika, and Fandy Bestario Harlan. "The Determinants of Indonesia Export Performance: Gravity Model and Random Forest Model." In 2024 Ninth International Conference on Informatics and Computing (ICIC). IEEE, 2024. https://doi.org/10.1109/icic64337.2024.10956893.

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Huang, Jiansheng, Zhanyong Zhou, Xingcheng Lin, Zhiyuan Huang, and Shuting Lin. "Deformation Prediction Model of Gravity Dam Based on ZOA-BiLSTM." In 2024 5th International Conference on Machine Learning and Computer Application (ICMLCA). IEEE, 2024. http://dx.doi.org/10.1109/icmlca63499.2024.10754531.

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Porssut, Thibault, Henrique G. Debarba, Elisa Canzoneri, Bruno Herbelin, and 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, and Ahmad Bani Younes. "Parallel Finite Element Gravity Model." In AIAA Scitech 2020 Forum. American Institute of Aeronautics and Astronautics, 2020. http://dx.doi.org/10.2514/6.2020-1465.

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

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

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

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Reports on the topic "Gravity Model"

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

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

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

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

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

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Chaffa, Lucien, Martin Trépanier, and Thierry Warin. Beyond PPML: Exploring Machine Learning Alternatives for Gravity Model Estimation in International Trade. CIRANO, 2025. https://doi.org/10.54932/bfky4995.

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This study investigates the potential of machine learning (ML) methods to enhance the estimation of the gravity model, a cornerstone of international trade analysis that explains trade flows based on economic size and distance. Traditionally estimated using methods such as the Poisson Pseudo Maximum Likelihood (PPML) approach, gravity models often struggle to fully capture nonlinear relationships and intricate interactions among variables. Leveraging data from Canada and the US, one of the largest bilateral trading relationships in the world, this paper conducts a comparative analysis of tradi
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Rose, Andrew, and Mark Spiegel. A Gravity Model of Sovereign Lending: Trade, Default and Credit. National Bureau of Economic Research, 2002. http://dx.doi.org/10.3386/w9285.

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

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