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Price discrimination in input markets

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  • Roman Inderst
  • Tommaso Valletti

Abstract

We analyze the short- and long-run implications of third-degree price discrimination in input markets. In contrast to the extant literature, which typically assumes that the supplier is an unconstrained monopolist, in our model input prices are constrained by the threat of demand-side substitution. In our model, the more efficient buyer receives a discount. A ban on price discrimination thus benefits smaller but hurts more efficient, larger firms. It also stifles incentives to invest and innovate. With linear demand, a ban on price discrimination benefits consumers in the short run but reduces consumer surplus in the long run, which is once again the opposite of what is found without the threat of demand-side substitution. Copyright (c) 2009, RAND.

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Bibliographic Info

Article provided by RAND Corporation in its journal The RAND Journal of Economics.

Volume (Year): 40 (2009)
Issue (Month): 1 ()
Pages: 1-19

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Handle: RePEc:bla:randje:v:40:y:2009:i:1:p:1-19

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References

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  1. Patrick J. DeGraba, 1987. "The Effects of Price Restrictions on Competition Between National and Local Firms," RAND Journal of Economics, The RAND Corporation, vol. 18(3), pages 333-347, Autumn.
  2. Xavier Vives, 2001. "Oligopoly Pricing: Old Ideas and New Tools," MIT Press Books, The MIT Press, edition 1, volume 1, number 026272040x, January.
  3. Emmanuel Petrakis & Chrysovalantou Miliou & Nikos Vettas, 2009. "(In)efficient trading forms in competing vertical chains," Working Papers 0916, University of Crete, Department of Economics.
  4. McAfee, R Preston & Schwartz, Marius, 1994. "Opportunism in Multilateral Vertical Contracting: Nondiscrimination, Exclusivity, and Uniformity," American Economic Review, American Economic Association, vol. 84(1), pages 210-30, March.
  5. AMIR, Rabah & EVSTIGNEEV, Igor & WOODERS, John, . "Noncooperative versus cooperative R&D with endogenous spillover rates," CORE Discussion Papers RP -1650, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  6. DeGraba, Patrick, 1990. "Input Market Price Discrimination and the Choice of Technology," American Economic Review, American Economic Association, vol. 80(5), pages 1246-53, December.
  7. Michael L. Katz, 1986. "An Analysis of Cooperative Research and Development," RAND Journal of Economics, The RAND Corporation, vol. 17(4), pages 527-543, Winter.
  8. Patrick de Graba, 1996. "Most-Favored-Customer Clauses and Multilateral Contracting: When Nondiscrimination Implies Uniformity," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 5(4), pages 565-579, December.
  9. Katz, Michael L, 1987. "The Welfare Effects of Third-Degree Price Discrimination in," American Economic Review, American Economic Association, vol. 77(1), pages 154-67, March.
  10. 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.
  11. O'Brien, Daniel P & Shaffer, Greg, 1994. "The Welfare Effects of Forbidding Discriminatory Discounts: A Secondary Line Analysis of Robinson-Patman," Journal of Law, Economics and Organization, Oxford University Press, vol. 10(2), pages 296-318, October.
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Citations

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Cited by:
  1. Müller, Daniel & Herweg, Fabian, 2013. "Price Discrimination in Input Markets: Quantity Discounts and Private Information," Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 79978, Verein für Socialpolitik / German Economic Association.
  2. Li, Youping, 2013. "Timing of investments and third degree price discrimination in intermediate good markets," Economics Letters, Elsevier, vol. 121(2), pages 316-320.
  3. Reisinger, Markus & Schnitzer, Monika E, 2008. "A Model of Vertical Oligopolistic Competition," Department of Economics, Working Paper Series qt3n9000fg, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
  4. Valletti, T & Iozzi, A, . "Vertical bargaining and countervailing power," Working Papers 5958, Imperial College, London, Imperial College Business School.
  5. Noriaki Matsushima & Tomomichi Mizuno, 2010. "How do market structures affect decisions on vertical integration/separation?," ISER Discussion Paper 0770, Institute of Social and Economic Research, Osaka University.
  6. Chrysovalantou Milliou, 2013. "Location of Foreign Direct Investment in Vertically Related Markets," CESifo Working Paper Series 4117, CESifo Group Munich.
  7. Alexandrov, Alexei & Deb, Joyee, 2012. "Price discrimination and investment incentives," International Journal of Industrial Organization, Elsevier, vol. 30(6), pages 615-623.
  8. Daniel Müller & Fabian Herweg, 2009. "Price Discrimination in Input Markets: Downstream Entry and Welfare," Bonn Econ Discussion Papers bgse06_2010, University of Bonn, Germany.
  9. Inderst, Roman & Shaffer, Greg, 2011. "Wholesale Price Determination Under the Threat of Demand-Side Substitution," MPRA Paper 53843, University Library of Munich, Germany.
  10. Herweg, Fabian & Müller, Daniel, 2011. "Price Discrimination in Input Markets: Quantity Discounts and Private Information," Discussion Papers in Economics 12414, University of Munich, Department of Economics.
  11. Dertwinkel-Kalt, Markus & Haucap, Justus & Wey, Christian, 2013. "Input price discrimination (bans), entry and welfare," DICE Discussion Papers 99, Heinrich‐Heine‐Universität Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
  12. Fabian Herweg & Daniel Müller, 2012. "Price Discrimination in Input Markets: Downstream Entry and Efficiency," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 21(3), pages 773-799, 09.
  13. David Mills, 2010. "Buyer Power and Industry Structure," Review of Industrial Organization, Springer, vol. 36(3), pages 213-225, May.
  14. Roman Inderst & Christian Wey, 2008. "Die Wettbewerbsanalyse von Nachfragemacht aus verhandlungstheoretischer Sicht," Perspektiven der Wirtschaftspolitik, Verein für Socialpolitik, vol. 9(4), pages 465-485, November.
  15. Hiroshi Kitamura & Noriaki Matsushima & Misato Sato, 2013. "How Does Downstream Firms' Efficiency Affect Exclusive Supply Agreements?," ISER Discussion Paper 0878, Institute of Social and Economic Research, Osaka University.
  16. Li, Youping, 2011. "Timing of investments and third degree price discrimination in intermediate good markets," MPRA Paper 36746, University Library of Munich, Germany.
  17. Reisinger, Markus, 2010. "Unique Equilibrium in Two-Part Tariff Competition between Two-Sided Platforms," Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems 308, Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich.

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