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Les effets sur le bien-être d'une libéralisation (a)symétrique des échanges avec comportement de Cournot


  • Olivier Burkart
  • Claude Jessua


[fre] Dans un modèle de Cournot nous analysons les effets d'une libéralisation des échanges sur le bien-être. Les trois régimes étudiés sont l'autarcie, la libéralisa­tion asymétrique et la libéralisation symétrique des échanges. La comparaison des niveaux de bien-être permet de retrouver certains résultats sur le dumping réciproque, mais aussi de déterminer analytiquement le niveau des coûts de transport à partir duquel le bien-être social est moins élevé après la libéralisation symétrique qu'en autarcie. L'introduction de la libre entrée permet d'obtenir des effets positifs dans ce cas. Nous montrons à l'aide d'une simulation qu'une asy­métrie des coûts variables est aussi susceptible de conduire à une variation posi­tive du bien-être social. [eng] We analyse the effects of trade liberalisation in a Cournot model under three regimes : autarcy, asymmetric and symmetric trade. Welfare comparisons lead to some known results of reciprocal dumping. We determine the cut-off point of transport costs which leads to Pareto efficiency of one or the other of the regimes under consideration. Free entry allows to obtain positive welfare effects of trade liberalisation. We show by means of simulations that the same is true if asymme­tric variable costs are introduced into the model.

Suggested Citation

  • Olivier Burkart & Claude Jessua, 1996. "Les effets sur le bien-être d'une libéralisation (a)symétrique des échanges avec comportement de Cournot," Revue Économique, Programme National Persée, vol. 47(3), pages 777-785.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1996_num_47_3_409816
    Note: DOI:10.3406/reco.1996.409816

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    References listed on IDEAS

    1. Brander, James & Krugman, Paul, 1983. "A 'reciprocal dumping' model of international trade," Journal of International Economics, Elsevier, vol. 15(3-4), pages 313-321, November.
    2. Brander, James A., 1981. "Intra-industry trade in identical commodities," Journal of International Economics, Elsevier, vol. 11(1), pages 1-14, February.
    3. Shapiro, Carl, 1989. "Theories of oligopoly behavior," Handbook of Industrial Organization,in: R. Schmalensee & R. Willig (ed.), Handbook of Industrial Organization, edition 1, volume 1, chapter 6, pages 329-414 Elsevier.
    4. Winters, L. Alan, 1995. "Liberalizing European steel trade," European Economic Review, Elsevier, vol. 39(3-4), pages 611-621, April.
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