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Input price discrimination with secret linear contracting

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  • Ioannis N. Pinopoulos

    (Department of Economics, University of Macedonia)

Abstract

We study the welfare effects of input price discrimination when an unconstrained upstream supplier uses linear contracts that are unobservable by downstream firms. With homogeneous final goods, we show that banning input price discrimination decreases welfare. This finding is in contrast to that in the existing literature that considers observable linear contracts. When final goods are sufficiently differentiated, it is shown that banning input price discrimination increases welfare. This result is in contrast to that in the existing literature that considers unobservable two-part tariff contracts.

Suggested Citation

  • Ioannis N. Pinopoulos, 2018. "Input price discrimination with secret linear contracting," Discussion Paper Series 2018_01, Department of Economics, University of Macedonia, revised Jan 2018.
    • Handle: RePEc:mcd:mcddps:2018_01
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    References listed on IDEAS

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    1. O'Brien, Daniel P & Shaffer, Greg, 1994. "The Welfare Effects of Forbidding Discriminatory Discounts: A Secondary Line Analysis of Robinson-Patman," The Journal of Law, Economics, and Organization, Oxford University Press, vol. 10(2), pages 296-318, October.
    2. Sofia Berto Villas‐Boas, 2009. "An empirical investigation of the welfare effects of banning wholesale price discrimination," RAND Journal of Economics, RAND Corporation, vol. 40(1), pages 20-46, March.
    3. 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.
    4. Patrick Rey & Thibaud Vergé, 2004. "Bilateral Control with Vertical Contracts," RAND Journal of Economics, The RAND Corporation, vol. 35(4), pages 728-746, Winter.
    5. 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.
    6. Ryan Luchs & Tansev Geylani & Anthony Dukes & Kannan Srinivasan, 2010. "The End of the Robinson-Patman Act? Evidence from Legal Case Data," Management Science, INFORMS, vol. 56(12), pages 2123-2133, December.
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    More about this item

    Keywords

    Input price discrimination; linear contracts; welfare.;
    All these keywords.

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L42 - Industrial Organization - - Antitrust Issues and Policies - - - Vertical Restraints; Resale Price Maintenance; Quantity Discounts

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