Specification Tests and Model Selection for Aggregate Spatial Interaction: An Empirical Comparison
Article Abstract:
Three large classes of aggregate models which have been the subject of extensive research include the gravity model, entropy formulations and intervening opportunity models. Not much research has been done on the selection of the best model according to the empirical situation. Various econometric approaches are used to model choice for spatial interaction. Only aggregate models are considered: five aggregate models are compared as to their usefulness in the relevant observation and spatial flow context. Fit is considered only in a relative sense. The correct functional form for spatial friction and the selection of the right explanatory variables are highlighted. Formal specifications for the models are given. Tables of estimation and regression analysis findings for the models are included. All the models deal with Canadian interprovincial movements. Comparisons were made using three tests on non nesting choices on paired models. Tests for linear and non linear choices all showed divergent results for finite samples. Note: recently a nonparametric gravity model performed well on similar United States problems.
Publication Name: Journal of Regional Science
Subject: Social sciences
ISSN: 0022-4146
Year: 1984
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The Distribution Approach to Spatial Economics
Article Abstract:
A general and operational perspective on spatial economics which can be applied to any standard non-spatial model is developed. Vector space and vector valued distribution space are compared. In this research spatialized structures and activities as single elements of distribution are highlighted. Schwartz's 1945 theory of distribution is used as a foundation for this research. This method causes the spatial structures of economic models to be more transparent and solutions to have greater feasibility. Case studies of expenditure diffusion, urban density and a world model are highlighted. The four step structure of this methodology is explained.
Publication Name: Journal of Regional Science
Subject: Social sciences
ISSN: 0022-4146
Year: 1984
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Spatial barriers and information processing in housing markets: an empirical investigation of the effects of the Connecticut River on housing returns
Article Abstract:
Information is a rare but valuable commodity within the financial securities market. Telecommunications plays a major role in the diffusion of information. However, spatial barriers such as rivers may delay information diffusion and adversely affect investors' chances of capitalizing on the information. An analysis of the impact of the Connecticut River on the rate and manner of information diffusion supports such an observation.
Publication Name: Journal of Regional Science
Subject: Social sciences
ISSN: 0022-4146
Year: 1996
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