This paper analyzes the geographical concentration and diversification of industries in the Continuum-of-Goods Trade Model in the presence of labor migration, comparative advantage, and external increasing returns to scale. In the model, higher transportation costs lead to concentration in one region, and lower transportation costs lead to diversification between the regions. For intermediate transportation costs, asymmetric diversification becomes a stable equilibrium through a reduction in the range of nontraded goods due to external increasing returns to scale and transportation costs. However, asymmetric equilibrium is an inefficient outcome: Pareto dominated by the other equilibria. To prevent this inefficient equilibrium, subsidies may be useful to sustain symmetric diversification.
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Paper provided by Economics Section, The Graduate Institute of International Studies in its series HEI Working Papers with number
14-2004.
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Gianmarco Ottaviano & Takatoshi Tabuchi & Jacques-FranÁois Thisse, 2002.
"Agglomeration and Trade Revisited,"
International Economic Review,
Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(2), pages 409-436, May.
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Other versions:
OTTAVIANO, Gianmarco & TABUCHI, Takatoshi & THISSE, Jacques-Franois, 1999.
"Agglomeration and trade revisited,"
CORE Discussion Papers
1999041, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
[Downloadable!]
Gianmarco Ottaviano & Takatoshi Tabuchi & Jacques-Francois Tissse, 1999.
"Agglomeration and Trade Revisited,"
CIRJE F-Series
CIRJE-F-65, CIRJE, Faculty of Economics, University of Tokyo.
[Downloadable!]