The multiregional core-periphery model: The role of the spatial topology
We use the multiregional core-periphery model of the new economic geography to analyze and compare the agglomeration and dispersion forces shaping the location of economic activity for a continuum of network topologies characterized by their degree of centrality, and comprised between two extremes represented by the homogenous (ring) and the heterogeneous (star) configurations. Resorting to graph theory, we systematically extend the analytical tools and graphical representations of the core-periphery model for alternative spatial configuration, and study the stability of the alternative equilibria in terms of the sustain and break points. We study new phenomena such as the absence of any stable distribution of economic activity for some range of transport costs, and the infeasibility of the dispersed equilibrium in the heterogeneous space, resulting in the introduction of the concept pseudo flat-earth as a long run-equilibrium corresponding to an uneven distribution of economic activity between regions.
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12374, Institut National de la Recherche Agronomique, France.
- Charlot, Sylvie & Gaigne, Carl & Robert-Nicoud, Frederic & Thisse, Jacques-Francois, 2006. "Agglomeration and welfare: The core-periphery model in the light of Bentham, Kaldor, and Rawls," Journal of Public Economics, Elsevier, vol. 90(1-2), pages 325-347, January.
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- CHARLOT, Sylvie & GAIGNÉ, Carl & ROBERT-NICOUD, Frédéric & THISSE, Jacques, 2003. "Agglomeration and welfare : the core-periphery model in the light of Bentham, Kaldor, and Rawls," CORE Discussion Papers 2003039, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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