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Technical Improvements and Welfare under International Duopoly


  • Masayuki Okawa


It is now common wisdom that a free-trading country with perfectly competitive markets might be hurt by its own technical improvement of that country's export industry, and that an improvement in the import-competing industry never impoverishes the country if no commodity is inferior for that country. This paper examines the welfare effects of technical progress in a perfectly competitive industry and in an internationally duopolistic market in a two-country, two-good, one-factor trading model. It will be shown that the above propositions are severely qualified in our setting with duopolistic industry. Copyright © 2009 The Author. Journal compilation © 2009 Blackwell Publishing Ltd.

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  • Masayuki Okawa, 2009. "Technical Improvements and Welfare under International Duopoly," Review of International Economics, Wiley Blackwell, vol. 17(5), pages 1001-1008, November.
  • Handle: RePEc:bla:reviec:v:17:y:2009:i:5:p:1001-1008

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    References listed on IDEAS

    1. Geoffrey Fishburn & MurrayC. Kemp, 2007. "Impoverishing Technical And Preferential Improvements," Pacific Economic Review, Wiley Blackwell, vol. 12(2), pages 205-212, May.
    2. Jagdish Bhagwati, 1958. "Immiserizing Growth: A Geometrical Note," Review of Economic Studies, Oxford University Press, vol. 25(3), pages 201-205.
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