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Discrimination des prix, différenciation des produits et échange international


  • Jean-Marc Siroën

    (LEDa - Laboratoire d'Economie de Dauphine - Université Paris-Dauphine)


The aim of this article is to fill up four gaps encountered in the international product differentiation standard theory : production of only one variety per firm for a given good, determination of the intra-industry specialization let unknown as for the firms a.s for the nations and discrimination between the markets let ignored.The author presents another framework. Thus he makes a distinction between the production cost and the differentiation cost and he sees the product differentiation as a special type of market discrimination moreover related with the price discrimination policy. The following results are put forward : a variety may be produced specially for foreign markets, the " two-way " international trade is not fostered by decreasing differentiation costs and does not imply similar demand curves between the countries. On the contrary, the price discrimination fosters the proliferation of varieties and the " two-way " international trade. Then, the structure of the intra-industry trade may be determined by national comparative advantages in the differentiation costs.

Suggested Citation

  • Jean-Marc Siroën, 1986. "Discrimination des prix, différenciation des produits et échange international," Post-Print hal-01393910, HAL.
  • Handle: RePEc:hal:journl:hal-01393910
    DOI: 10.3406/reco.1986.408924
    Note: View the original document on HAL open archive server:

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    References listed on IDEAS

    1. Stewart, Marion B., 1979. "Monopoly and the choice of product characteristics," Economics Letters, Elsevier, vol. 2(1), pages 79-84.
    2. Kelvin J. Lancaster, 1966. "A New Approach to Consumer Theory," Journal of Political Economy, University of Chicago Press, vol. 74, pages 132-132.
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