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The dynamic cost of ex post incentive compatibility in repeated games of private information

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  • David A. Miller

    (UCSD)

Abstract

In a repeated game with private information, a perfect public equilibrium (PPE) can break down if communication is not necessarily simultaneous or if players can “spy” on each others’ information. An ex post perfect public equilibrium (EPPPE) is a PPE that is ex post incentive compatible in each stage game; unlike PPE, EPPPE is robust under to any communication protocol, and to spying. However, robustness comes at a cost to the players: in many games, efficient payoffs in the corresponding static mechanism design problem cannot be supported as average payoffs in an EPPPE, even when players are patient. In two- player repeated allocation games, an optimal EPPPE never employs a (static) efficient outcome function in any stage game. Instead, the players always prefer to give up some static efficiency by sometimes allocating to the player with the lower valuation. Under independent valuations, optimal equilibria are often stationary, but when valuations are globally interdependent, optimal equilibria are never stationary. Applied to the problem of collusion with hidden costs, these results yield new insights into the phenomenon of price wars in collusive equilibria.

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File URL: http://128.118.178.162/eps/game/papers/0510/0510002.pdf
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Bibliographic Info

Paper provided by EconWPA in its series Game Theory and Information with number 0510002.

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Length: 55 pages
Date of creation: 06 Oct 2005
Date of revision:
Handle: RePEc:wpa:wuwpga:0510002

Note: Type of Document - pdf; pages: 55
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Web page: http://128.118.178.162

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Keywords: repeated games; private information; ex post incentive compatibility; price wars;

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  1. Claudio Mezzetti, 2004. "Mechanism Design with Interdependent Valuations: Efficiency," Econometrica, Econometric Society, vol. 72(5), pages 1617-1626, 09.
  2. Kyle Bagwell & Robert W. Staiger, 1995. "Collusion Over the Business Cycle," Discussion Papers 1118, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  3. Jonathan Levin, 2003. "Relational Incentive Contracts," American Economic Review, American Economic Association, vol. 93(3), pages 835-857, June.
  4. Abreu, Dilip & Pearce, David & Stacchetti, Ennio, 1986. "Optimal cartel equilibria with imperfect monitoring," Journal of Economic Theory, Elsevier, vol. 39(1), pages 251-269, June.
  5. Fudenberg, D. & Levine, D.K. & Maskin, E., 1989. "The Folk Theorem With Inperfect Public Information," Working papers 523, Massachusetts Institute of Technology (MIT), Department of Economics.
  6. Rotemberg, Julio J & Saloner, Garth, 1986. "A Supergame-Theoretic Model of Price Wars during Booms," American Economic Review, American Economic Association, vol. 76(3), pages 390-407, June.
  7. Dirk Bergemann & Stephen Morris, 2003. "Robust Mechanism Design," Cowles Foundation Discussion Papers 1421, Cowles Foundation for Research in Economics, Yale University.
  8. Susan Athey & Kyle Bagwell, 2008. "Collusion With Persistent Cost Shocks," Econometrica, Econometric Society, vol. 76(3), pages 493-540, 05.
  9. Susan Athey & Kyle Bagwell & Chris Sanchirico, 1998. "Collusion and Price Rigidity," Working papers 98-23, Massachusetts Institute of Technology (MIT), Department of Economics.
  10. Balder, Erik J., 1996. "On the Existence of Optimal Contract Mechanisms for Incomplete Information Principal-Agent Models," Journal of Economic Theory, Elsevier, vol. 68(1), pages 133-148, January.
  11. Yuliy Sannikov & Andrzej Skrzypacz, 2004. "Impossibility of Collusion under Imperfect Monitoring with Flexible Production," 2004 Meeting Papers 418, Society for Economic Dynamics.
  12. Groves, Theodore, 1973. "Incentives in Teams," Econometrica, Econometric Society, vol. 41(4), pages 617-31, July.
  13. Hurwicz, Leonid & Walker, Mark, 1990. "On the Generic Nonoptimality of Dominant-Strategy Allocation Mechanisms: A General Theorem That Includes Pure Exchange Economies," Econometrica, Econometric Society, vol. 58(3), pages 683-704, May.
  14. Michihiro Kandori & Ichiro Obara, 2006. "Efficiency in Repeated Games Revisited: The Role of Private Strategies," Econometrica, Econometric Society, vol. 74(2), pages 499-519, 03.
  15. Olivier Compte, 1998. "Communication in Repeated Games with Imperfect Private Monitoring," Econometrica, Econometric Society, vol. 66(3), pages 597-626, May.
  16. Michihiro Kandori & Hitoshi Matsushima, 1998. "Private Observation, Communication and Collusion," Econometrica, Econometric Society, vol. 66(3), pages 627-652, May.
  17. Skrzypacz, Andrzej & Hopenhayn, Hugo, 2004. "Tacit collusion in repeated auctions," Journal of Economic Theory, Elsevier, vol. 114(1), pages 153-169, January.
  18. Philippe Jehiel & Moritz Meyer-ter-Vehn & Benny Moldovanu & William R. Zame, 2006. "The Limits of ex post Implementation," Econometrica, Econometric Society, vol. 74(3), pages 585-610, 05.
  19. Andreas Blume & Paul Heidhues, 2003. "Private Monitoring in Auctions," CIG Working Papers SP II 2003-14, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG).
  20. Edward J Green & Robert H Porter, 1997. "Noncooperative Collusion Under Imperfect Price Information," Levine's Working Paper Archive 1147, David K. Levine.
  21. McAfee, R Preston & McMillan, John, 1992. "Bidding Rings," American Economic Review, American Economic Association, vol. 82(3), pages 579-99, June.
    • McAfee, R. Preston & McMillan, John., 1990. "Bidding Rings," Working Papers 726, California Institute of Technology, Division of the Humanities and Social Sciences.
  22. Paul Milgrom & Ilya Segal, 2002. "Envelope Theorems for Arbitrary Choice Sets," Econometrica, Econometric Society, vol. 70(2), pages 583-601, March.
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Citations

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Cited by:
  1. Yuichi Yamamoto, 2012. "Individual Learning and Cooperation in Noisy Repeated Games," PIER Working Paper Archive 12-044, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
  2. Yuichi Yamamoto, 2013. "Individual Learning and Cooperation in Noisy Repeated Games," PIER Working Paper Archive 13-038, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
  3. Alberto Martin & Wouter Vergote, 2005. "On the role of retaliation in trade agreements," Economics Working Papers 914, Department of Economics and Business, Universitat Pompeu Fabra, revised Apr 2008.
  4. Skrzypacz, Andrzej & Sannikov, Yuliy, 2005. "Impossibility of Collusion under Imperfect Monitoring with Flexible Production," Research Papers 1887, Stanford University, Graduate School of Business.
  5. Andreas Blume & April M. Franco & Paul Heidhues, 2011. "Dynamic coordination via organizational routines," ESMT Research Working Papers ESMT-11-10, ESMT European School of Management and Technology.
  6. Martin, Alberto & Vergote, Wouter, 2004. "Antidumping: Welfare Enhancing Retaliation?," MPRA Paper 5416, University Library of Munich, Germany.
  7. Vinicius Carrasco & Gustavo Manso, 2006. "Syndication and Robust Collusion in Financial Markets," Textos para discussão 522, Department of Economics PUC-Rio (Brazil).
  8. Joao Correia-da-Silva, 2013. "Impossibility of market division with two-sided private information about production costs," FEP Working Papers 490, Universidade do Porto, Faculdade de Economia do Porto.
  9. Susan Athey & Ilya Segal, 2007. "An Efficient Dynamic Mechanism," Levine's Bibliography 122247000000001134, UCLA Department of Economics.
  10. Kleiner, Andreas & Drexl, Moritz, 2013. "Why Voting? A Welfare Analysis," Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 79886, Verein für Socialpolitik / German Economic Association.

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