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Input price discrimination with downstream Cournot competitors

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  • Valletti, Tommaso M.

Abstract

This Paper addresses the question of third-degree price discrimination in input markets. I propose a solution that relies on a method that decomposes the upstream monopolist?s profit into two parts, one that depends on average input prices, and one that depends on their distribution. I am able to obtain rather general results, and, in the linear demand case, I obtain a full characterization of the equilibria in the two regimes of price discrimination and price uniformity, generalizing the findings of Yoshida (2000). Under reasonable assumptions, input price discrimination negatively affects both consumer surplus and total welfare.
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Suggested Citation

  • Valletti, Tommaso M., 2003. "Input price discrimination with downstream Cournot competitors," International Journal of Industrial Organization, Elsevier, vol. 21(7), pages 969-988, September.
    • Handle: RePEc:eee:indorg:v:21:y:2003:i:7:p:969-988
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    1. Long, Ngo Van & Soubeyran, Antoine, 2001. "Cost Manipulation Games in Oligopoly, with Costs of Manipulating," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 42(2), pages 505-533, May.
    2. Ngo Van Long & Antoine Soubeyran, 1999. "Input Price Discrimination, Access Pricing, and Bypass," CIRANO Working Papers 99s-23, CIRANO.
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    4. Varian, Hal R, 1985. "Price Discrimination and Social Welfare," American Economic Review, American Economic Association, vol. 75(4), pages 870-875, September.
    5. Theodore C. Bergstrom & Hal R. Varian, 1985. "When Are Nash Equilibria Independent of the Distribution of Agents' Characteristics?," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 52(4), pages 715-718.
    6. Yoshihiro Yoshida, 2000. "Third-Degree Price Discrimination in Input Markets: Output and Welfare," American Economic Review, American Economic Association, vol. 90(1), pages 240-246, March.
    7. Xavier Vives, 2001. "Oligopoly Pricing: Old Ideas and New Tools," MIT Press Books, The MIT Press, edition 1, volume 1, number 026272040x, December.
    8. DeGraba, Patrick, 1990. "Input Market Price Discrimination and the Choice of Technology," American Economic Review, American Economic Association, vol. 80(5), pages 1246-1253, December.
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    More about this item

    JEL classification:

    • L42 - Industrial Organization - - Antitrust Issues and Policies - - - Vertical Restraints; Resale Price Maintenance; Quantity Discounts

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