Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 121 for “"Gravity model"”.
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Trade flow of U.S. recalled consumer products: a gravity model analysis
… the flow of goods in general. A Bergstrand-based gravity model is used in the analysis. My application uses a novel data set that includes measures of U.S. consumer product recalls from 2006 and 2007. The results of the analysis show that the flow of recalled goods corresponds to theory. The type …
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Asymptotic stochastic analysis of a gravity model for inertial navigation systems
… systems require a precise knowledge of gravity to function properly. The inability of models to account for the small amplitude, short wavelength components of the gravity field leads to errors which are frequently viewed as random; these random errors can introduce a significant …
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Impacts of a state trader on global wheat trade : a gravity model approach
… robust results, a modified conventional gravity model was chosen. This model was estimated using pooled OLS and fixed effects, the latter consisting of both time and country pair fixed effects. The data that was constructed was a large panel data set of bilateral wheat trade spanning from …
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Cross border investment in Asean+3: A gravity model approach to Asian bond market
Using the established gravity model and the Coordinated Portfolio Investment Survey, the thesis studies the determinants of bilateral bond holdings in Asean+3. Financial sector development, macroeconomic factors, institution qualities and human capital are found to be significant factors that …
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Analysis of the proposed China-Asean free trade area: A gravity model and RCAI approach
… developmental effects are addressed through a Gravity Model that attempts to capture potential trade creation and trade diversion effects. The model analysis would also help to answer the question of whether the proposed FTA is a de facto or de jure RTA.
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Elasticity of demand for red meat transportation : a gravity model analysis of Western Canadian pork exports
… of the analysis is the interregional trade model. The concepts of excess supply and demand can be utilized to derive the demand for transportation. The derived demand for transport can be estimated as a gravity model within the context of the interregional trade framework A pooled …
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The role of political and institutional factors in Central Asian trade integration : evidence from the gravity model
With the gravity model of trade, this thesis analyzes political and institutional influences on trade integration among Central Asian countries. It tests how these factors: GDP (economic size), FDI inflows, political stability, and control of corruption affect mutual trade transactions throughout …
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Extension of the Gravity Model: A Risk Integrated Approach Towards the Impact Analysis of Mega Sports Events on Inbound Tourist Arrivals
… <p>In this thesis, focus is made on a regression model known as the Gravity Model to predict the number of inbound tourists between pairs of countries. A large set of quantitative and quantified-qualitative factors having impact on the touristic behavior of people is studied and models from the …
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An investigation of the effect of the European currency union (euro) on sectoral trade: an application of the gravity model of trade.
… the different estimation methods applied in the gravity model literature will be employed to investigate this effect and to identify the factors affecting trade in this sector. This study uses a panel data set which comprises the most recent information on bilateral trade for the EU15 countries …
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Improvement of pavement mechanistic-empirical design (PMED) virtual weather station interpolation model using radial basis function - Tennessee case study
… its implementations in PMED. PMED adopts the gravity model in its VWS creation process. MATLAB codes were used in comparing the error convergence of the gravity model interpolation technique and that by a Radial Basis Function (RBF). RBF interpolation showed very fast error convergence with …
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Autonomous optimal trajectory design employing convex optimization for powered descent on an asteroid
… descent trajectory include complicated nonlinear gravity fields, small rotating bodies, and low thrust vehicles. The nonlinear gravity fields cannot be represented by a constant gravity model nor a Newtonian model. The trajectory design algorithm needs to be robust and efficient to guarantee a …
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Measuring Accessibility for Pedestrians, Bicyclists, and Transit Riders to Grocery Stores in the Excelsior/Outer Mission Neighborhoods of San Francisco
… was used in addition to the more traditional gravity model.</p> <p>Combining results into a composite accessibility score highlights how using only a gravity model to measure accessibility may conceal some of the nuances of accessibility as perceived by pedestrians, bicyclists, and transit …
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The Landscape of FDI Flows
… a host country and potential determinants of a gravity model, skilled labor differences, and cultural proximity variables for the years 2000 and 2004. Through the use of fixed effects panel and first differenced estimation techniques on the aggregate flows dataset market potential, information, …
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A network analysis of household food sharing in Zambia
… security. Additionally, we show that the classic gravity model of trade is applicable at the household level, which means that prediction of household food sharing can be accomplished with household income and geographic distance variables. To our knowledge, this is the first study that determines …
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Crowded Out: The Effect of Sex Ratios on the Sex Worker Labor Market and Migration in India
… migration of sex workers. By using a modified gravity model of migration the results in this paper indicates that an over supply of sex workers in a local market leads to a crowding out effect, and pushes the women to migrate to districts with more men than women. This paper contributes to the …
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A model of the crust and upper mantle structure of the Hellenic and Cyprus subduction zones constrained by gravity and seismic data
… material on crustal structure, 2.5-D and 3-D gravity models of the Aegean-Anatolian region (24°-33° E and 34°-40° N) have been developed. The gravity model is based on satellite-derived and terrestrial gravity data from the European Improved Gravity Model of the Earth (EIGEN-6C2). The …
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Trade, migration, poverty and inequality: A global perspective
… data within a seemingly unrelated regression gravity model framework. The study finds that trade and migration are complements, which means that larger migration flows are associated with higher trade flows, and vice versa. Although these results do not definitively demonstrate causality, they …
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The determinants of intra-regional trade in Southern Africa
… finally, the estimation of a cross-sectional gravity model of trade. This estimation relies on Tobit maximum likelihood procedures, rather than standard OLS methods. The model uses various data sources, primarily from the IMF and the World Bank. The gravity model examines how the reduction of …
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