Discussion Paper Details

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Title: Geographical Advantage: Home Market Effect in a Multi-Region World

Author(s): Kiminori Matsuyama

Publication Date: October 2017

Keyword(s): A Multi-region Model of Costly Trade in Differentiated Goods, Convergence versus Divergence, Geographical Advantages and Disadvantages, Home Market Effect, monopolistic competition, Proximity Matrix, Regional Economic Integration, Trade Routes and Uneven Development

Programme Area(s): International Trade and Regional Economics and Macroeconomics and Growth

Abstract: This paper proposes a theoretical framework, which allows us to study the effects of geographical factors on the distribution of industries across many regions. The geographical feature of each region is summarized by a proximity matrix, whose elements measure the closeness between every pair of regions and depend on the parameters representing the transport and other costs of using a variety of trade routes. A change in these costs of trade affects the distribution of industries by amplifying the geographical advantages and disadvantages of regions. Through a series of examples, we demonstrate how this framework can be used not only to examine the effects of an improvement in transport infrastructure, but also to address some problems from economic history, regional economic integration, and the north-south division, and discuss some geopolitical issues.

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Bibliographic Reference

Matsuyama, K. 2017. 'Geographical Advantage: Home Market Effect in a Multi-Region World'. London, Centre for Economic Policy Research.