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Optimal Second-degree Price Discrimination and Arbitrage: On the Role of Asymetric Information among Buyers

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Author Info
Doh Shin Jeon
Domenico Menicucci

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Abstract

The traditional theory of monopolistic screening tackles individual self-selection but does not address the possibility that buyers could form a coalition to coordinate their purchases and to reallocate the goods. In this paper, we design the optimal sale mechanism which takes into account both individual and coalition incentive compatibility focusing on the role of asymmetric information among buyers. We show that when a coalition of buyers is formed under asymmetric information, the monopolist can do as well as when there is no coalition. Although in the optimal sale mechanism marginal rates of substitution are not equalized across buyers (hence there exists room for arbitrage), they fail to realize the gains from arbitrage because of the transaction costs in coalition formation generated by asymmetric information.

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Publisher Info
Paper provided by Department of Economics and Business, Universitat Pompeu Fabra in its series Economics Working Papers with number 624.

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Date of creation: Nov 2001
Date of revision: Jan 2005
Handle: RePEc:upf:upfgen:624

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Related research
Keywords: Monopolistic screening; coalition incentive compatibility; asymetric information; transaction costs;

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Find related papers by JEL classification:
D42 - Microeconomics - - Market Structure and Pricing - - - Monopoly
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Bakos, Yannis & Brynjolfsson, Erik & Lichtman, Douglas, 1999. "Shared Information Goods," Journal of Law & Economics, University of Chicago Press, vol. 42(1), pages 117-55, April.
  2. Ingela Alger, 1999. "Consumer Strategies Limiting the Monopolist's Power: Multiple and Joint Purchases," RAND Journal of Economics, The RAND Corporation, vol. 30(4), pages 736-757, Winter. [Downloadable!] (restricted)
  3. Varian, Hal R, 2000. "Buying, Sharing and Renting Information Goods," Journal of Industrial Economics, Blackwell Publishing, vol. 48(4), pages 473-88, December. [Downloadable!] (restricted)
  4. Lawrence M. Ausubel & Peter Cramton, 1998. "The Optimality of Being Efficient," Papers of Peter Cramton 98wpoe, University of Maryland, Department of Economics - Peter Cramton, revised 18 Jun 1999. [Downloadable!]
  5. Innes, Robert & Sexton, Richard J., 1993. "Customer coalitions, monopoly price discrimination and generic entry deterrence," European Economic Review, Elsevier, vol. 37(8), pages 1569-1597, December. [Downloadable!] (restricted)
  6. Bernard Caillaud & Philippe Jehiel, 1998. "Collusion in Auctions with Externalities," RAND Journal of Economics, The RAND Corporation, vol. 29(4), pages 680-702, Winter. [Downloadable!] (restricted)
  7. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August. [Downloadable!] (restricted)
  8. Jean-Jacques Laffont & David Martimort, 1997. "Collusion under Asymmetric Information," Econometrica, Econometric Society, vol. 65(4), pages 875-912, July.
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  9. Innes, Robert & Sexton, Richard J, 1994. "Strategic Buyers and Exclusionary Contracts," American Economic Review, American Economic Association, vol. 84(3), pages 566-84, June. [Downloadable!] (restricted)
  10. McAfee, R Preston & McMillan, John, 1992. "Bidding Rings," American Economic Review, American Economic Association, vol. 82(3), pages 579-99, June. [Downloadable!] (restricted)
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    • McAfee, R. Preston & McMillan, John., 1990. "Bidding Rings," Working Papers 726, California Institute of Technology, Division of the Humanities and Social Sciences. [Downloadable!]
  11. Jean-Jacques Laffont & David Martimort, 2000. "Mechanism Design with Collusion and Correlation," Econometrica, Econometric Society, vol. 68(2), pages 309-342, March.
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  12. Patrick Rey & Jean Tirole, 1985. "The Logic of Vertical Restraints," Working papers 396, Massachusetts Institute of Technology (MIT), Department of Economics.
  13. Cramton Peter C. & Palfrey Thomas R., 1995. "Ratifiable Mechanisms: Learning from Disagreement," Games and Economic Behavior, Elsevier, vol. 10(2), pages 255-283, August. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Che, Yeon-Koo & Kim, Jinwoo, 2007. "Optimal Collusion-Proof Auctions," MPRA Paper 6098, University Library of Munich, Germany. [Downloadable!]
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  2. Yeon-Koo Che & Jinwoo Kim, 2005. "Robustly collusion-proof implementation," Discussion Papers 0506-12, Columbia University, Department of Economics. [Downloadable!]
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  3. Dequiedt, V., 2006. "Ratification and veto constraints in mechanism design," Working Papers 200606, Grenoble Applied Economics Laboratory (GAEL). [Downloadable!]
  4. Dequiedt, V., 2006. "Efficient collusion in optimal auctions," Working Papers 200607, Grenoble Applied Economics Laboratory (GAEL). [Downloadable!]
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