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Marchés contestables, différenciation des produits et discrimination des prix

Author

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  • Jean-Marc Siroën

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

Abstract

The article is concerned with a spatial competition framework in perfect contestable markets. Two types of sustainability are distinguished. A weak form (with an invariant price strategy) and a strong form. The Baumol-Panzar-Willig results are not valid in a spatial context. Marginal production cost pricing is not a sufficient condition for a weak sustainability. It is socially inefficient. Uniform delivered pricing is socially efficient and sustainable in a weak form. Additional conditions are necessary for a strong form. Gene-rally, a spatial sustainable configuration implies priee discrimination. The results are opposed to theorical fondations of deregulation policies.

Suggested Citation

  • Jean-Marc Siroën, 1993. "Marchés contestables, différenciation des produits et discrimination des prix," Post-Print hal-01393913, HAL.
  • Handle: RePEc:hal:journl:hal-01393913
    DOI: 10.2307/3502156
    Note: View the original document on HAL open archive server: https://hal.archives-ouvertes.fr/hal-01393913
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    References listed on IDEAS

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    1. Weitzman, Martin L, 1983. "Contestable Markets: An Uprising in the Theory of Industry Structure: Comment," American Economic Review, American Economic Association, vol. 73(3), pages 486-487, June.
    2. Baumol, William J, 1982. "Contestable Markets: An Uprising in the Theory of Industry Structure," American Economic Review, American Economic Association, vol. 72(1), pages 1-15, March.
    3. Norman, George, 1981. "Uniform Pricing as an Optimal Spatial Pricing Policy," Economica, London School of Economics and Political Science, vol. 48(189), pages 87-91, February.
    4. Greenhut,Melvin L. & Norman,George & Hung,Chao-Shun, 1987. "The Economics of Imperfect Competition," Cambridge Books, Cambridge University Press, number 9780521315647, April.
    5. Cairns, Robert D & Mahabir, Dhanayshar, 1988. "Contestability: A Revisionist View," Economica, London School of Economics and Political Science, vol. 55(218), pages 269-276, May.
    6. Greenhut, Melvin L, 1981. "Spatial Pricing in the United States, West Germany and Japan," Economica, London School of Economics and Political Science, vol. 48(189), pages 79-86, February.
    7. d'Aspremont, C & Gabszewicz, Jean Jaskold & Thisse, J-F, 1979. "On Hotelling's "Stability in Competition"," Econometrica, Econometric Society, vol. 47(5), pages 1145-1150, September.
    8. repec:adr:anecst:y:1989:i:15-16:p:03 is not listed on IDEAS
    9. David Encaoua, 1989. "Différenciation des produits et structures de marché: un tour d'horizon," Annals of Economics and Statistics, GENES, issue 15-16, pages 51-83.
    10. Phlips,Louis, 1983. "The Economics of Price Discrimination," Cambridge Books, Cambridge University Press, number 9780521283946, April.
    11. repec:adr:anecst:y:1989:i:15-16 is not listed on IDEAS
    12. Martin J. Beckmann, 1976. "Spatial Price Policies Revisited," Bell Journal of Economics, The RAND Corporation, vol. 7(2), pages 619-630, Autumn.
    13. David Encaoua, 1986. "Réglementation et concurrence : quelques éléments de théorie économique," Économie et Prévision, Programme National Persée, vol. 76(5), pages 7-46.
    14. Bailey, Elizabeth E, 1981. "Contestability and the Design of Regulatory and Antitrust Policy," American Economic Review, American Economic Association, vol. 71(2), pages 178-183, May.
    15. Greenhut,Melvin L. & Norman,George & Hung,Chao-Shun, 1987. "The Economics of Imperfect Competition," Cambridge Books, Cambridge University Press, number 9780521305525, April.
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