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A Note on Production Efficiency in Oligopolistic Trade Models

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  • Arghya Ghosh

Abstract

In a two‐country segmented markets model with homogeneous product Cournot oligopoly we show that production efficiency improves in the free‐trade regime compared to autarky, if autarky price in each country is lower than both the post‐trade prices—which holds, for example, when preferences are identical. The result holds irrespective of the demand structure, number, and cost distribution of firms in the two countries. The improvement in production efficiency lowers average cost of production which, for some parameterizations, gives rise to higher aggregate profits for all countries in the free‐trade regime (compared to autarky). Though free trade (zero tariffs) improves production efficiency from autarky (prohibitive tariffs), freer trade is not always associated with greater production efficiency.

Suggested Citation

  • Arghya Ghosh, 2007. "A Note on Production Efficiency in Oligopolistic Trade Models," Review of International Economics, Wiley Blackwell, vol. 15(3), pages 499-513, August.
    • Handle: RePEc:bla:reviec:v:15:y:2007:i:3:p:499-513
    DOI: 10.1111/j.1467-9396.2006.00619.x
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    References listed on IDEAS

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    1. C Montagna, "undated". "Strategic Trade Policy When Firms Have Different Efficiency Levels," Dundee Discussion Papers in Economics 070, Economic Studies, University of Dundee.
    2. Lucia Foster & John C. Haltiwanger & C. J. Krizan, 2001. "Aggregate Productivity Growth: Lessons from Microeconomic Evidence," NBER Chapters, in: New Developments in Productivity Analysis, pages 303-372, National Bureau of Economic Research, Inc.
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