Repeated Games, Entry in The New Palgrave Dictionary of Economics, 2nd Edition

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Repeated Games, Entry in The New Palgrave Dictionary of Economics, 2nd Edition

Author Info

Michihiro Kandori (Faculty of Economics, University of Tokyo)

Abstract

This entry shows why self-interested agents manage to cooperate in a long-term relationship. When agents interact only once, they often have an incentive to deviate from cooperation. In a repeated interaction, however, any mutually beneficial outcome can be sustained in an equilibrium. This fact, known as the folk theorem, is explained under various information structures. This entry also compares repeated games with other means to achieve efficiency and briefly discuss the scope for potential applications.

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Paper provided by CIRJE, Faculty of Economics, University of Tokyo in its series CIRJE F-Series with number CIRJE-F-395.

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Length: 19 pages
Date of creation: Jan 2006
Date of revision:
Handle: RePEc:tky:fseres:2006cf395

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This paper has been announced in the following NEP Reports:

NEP-ALL-2006-03-11 (All new papers)
NEP-COM-2006-03-11 (Industrial Competition)
NEP-IND-2006-03-11 (Industrial Organization)

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George J. Mailath & Stephen Morris, . "Repeated Games with Imperfect Private Monitoring: Notes on a Coordination Perspective," Penn CARESS Working Papers 5d82f80bcea2483b6387c5b68, Penn Economics Department. [Downloadable!]
Other versions:
- George J. Mailath & Stephen Morris, . ""Repeated Games with Imperfect Private Monitoring: Notes on a Coordination Perspective''," CARESS Working Papres 98-07, University of Pennsylvania Center for Analytic Research and Economics in the Social Sciences.
- Mailath, G.J. & Morris, S., 1998. "Repeated Games With Imperfect Private Monitoring: Notes on a Coordination Perspective," Papers 349, Australian National University - Department of Economics.
- George J. Mailath & Stephen Morris, 1998. "Repeated Games with Imperfect Private Monitoring: Notes on a Coordination Perspective," CARESS Working Papres imp-mon, University of Pennsylvania Center for Analytic Research and Economics in the Social Sciences. [Downloadable!]
Ely, Jeffrey C. & Valimaki, Juuso, 2002. "A Robust Folk Theorem for the Prisoner's Dilemma," Journal of Economic Theory, Elsevier, vol. 102(1), pages 84-105, January. [Downloadable!] (restricted)
Other versions:
- Jeffrey Ely, 2000. "A Robust Folk Theorem for the Prisoners' Dilemma," Econometric Society World Congress 2000 Contributed Papers 0210, Econometric Society. [Downloadable!]
- Jeffrey C. Ely & Juuso Valimaki, 1999. "A Robust Folk Theorem for the Prisoner's Dilemma," Discussion Papers 1264, Northwestern University, Center for Mathematical Studies in Economics and Management Science. [Downloadable!]
Michihiro Kandori & Hitoshi Matsushima, 1998. "Private Observation, Communication and Collusion," Econometrica, Econometric Society, vol. 66(3), pages 627-652, May.
Abreu, Dilip & Dutta, Prajit K & Smith, Lones, 1994. "The Folk Theorem for Repeated Games: A NEU Condition," Econometrica, Econometric Society, vol. 62(4), pages 939-48, July. [Downloadable!] (restricted)
Olivier Compte, 1998. "Communication in Repeated Games with Imperfect Private Monitoring," Econometrica, Econometric Society, vol. 66(3), pages 597-626, May.
Friedman, James W, 1971. "A Non-cooperative Equilibrium for Supergames," Review of Economic Studies, Blackwell Publishing, vol. 38(113), pages 1-12, January. [Downloadable!] (restricted)
Drew Fudenberg & David K. Levine & Eric Maskin, 1994. "The Folk Theorem with Imperfect Public Information," Levine's Working Paper Archive 394, David K. Levine. [Downloadable!]
Other versions:
- Drew Fudenberg & David K. Levine & Eric Maskin, 1994. "The Folk Theorem with Imperfect Public Information," Levine's Working Paper Archive 2058, David K. Levine. [Downloadable!]
- 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.
- Fudenberg, Drew & Levine, David I & Maskin, Eric, 1994. "The Folk Theorem with Imperfect Public Information," Econometrica, Econometric Society, vol. 62(5), pages 997-1039, September. [Downloadable!] (restricted)
Johannes Horner & Wojciech Olszewski, 2005. "The Folk Theorem for Games with Private, Almost-Perfect Monitoring," NajEcon Working Paper Reviews 172782000000000006, www.najecon.org. [Downloadable!]
Other versions:
- Johannes Hörner & Wojciech Olszewski, 2006. "The Folk Theorem for Games with Private Almost-Perfect Monitoring," Econometrica, Econometric Society, vol. 74(6), pages 1499-1544, November. [Downloadable!] (restricted)
Fudenberg, Drew & Maskin, Eric, 1986. "The Folk Theorem in Repeated Games with Discounting or with Incomplete Information," Econometrica, Econometric Society, vol. 54(3), pages 533-54, May. [Downloadable!] (restricted)
Rubinstein, Ariel, 1979. "Equilibrium in supergames with the overtaking criterion," Journal of Economic Theory, Elsevier, vol. 21(1), pages 1-9, August. [Downloadable!] (restricted)
Hitoshi Matsushima, 2004. "Repeated Games with Private Monitoring: Two Players," Econometrica, Econometric Society, vol. 72(3), pages 823-852, 05. [Downloadable!] (restricted)
Other versions:
- Hitoshi Matsushima, 2003. "Repeated Games with Private Monitoring: Two Players," CIRJE F-Series CIRJE-F-242, CIRJE, Faculty of Economics, University of Tokyo. [Downloadable!]
Sekiguchi, Tadashi, 1997. "Efficiency in Repeated Prisoner's Dilemma with Private Monitoring," Journal of Economic Theory, Elsevier, vol. 76(2), pages 345-361, October. [Downloadable!] (restricted)

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