The Folk Theorem in Dynastic Repeated Games

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The Folk Theorem in Dynastic Repeated Games

Author Info

Luca Anderlini (Georgetown University)
Dino Gerardi (Yale University)
Roger Lagunoff (Georgetown University)

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Abstract

A canonical interpretation of an infinitely repeated game is that of a “dynastic” repeated game: a stage game repeatedly played by successive generations of finitely-lived players with dynastic preferences. These two models are in fact equivalent when the past history of play is observable to all players. In our model all players live one period and do not observe the history of play that takes place before their birth, but instead receive a private message from their immediate predecessors. Under very mild conditions, when players are sufficiently patient, all feasible payoff vectors (including those below the minmax) can be sustained as a Sequential Equilibrium of the dynastic repeated game with private communication. The result applies to any stage game for which the standard Folk Theorem yields a payoff set with a non-empty interior. Our results stem from the fact that, in equilibrium, a player may be unable to communicate effectively relevant information to his successor in the same dynasty. This, in turn implies that following some histories of play the players’ equilibrium beliefs may violate “Inter-Generational Agreement.”

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Paper provided by EconWPA in its series Game Theory and Information with number 0410001.

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Length: 77 pages
Date of creation: 01 Oct 2004
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Handle: RePEc:wpa:wuwpga:0410001

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Paper
- Luca Anderlini & Dino Gerardi & Roger Lagunoff, 2004. "The Folk Theorem in Dynastic Repeated Games," Levine's Bibliography 122247000000000577, UCLA Department of Economics. [Downloadable!]
- Luca Anderlini (Georgetown University), Dino Gerardi (Yale University), Roger Lagunoff (Georgetown University), . "The Folk Theorem in Dynastic Repeated Games," Working Papers gueconwpa~04-04-09, Georgetown University, Department of Economics. [Downloadable!]
- Luca Anderlini & Dino Gerardi & Roger Lagunoff, 2004. "The Folk Theorem in Dynastic Repeated Games," Cowles Foundation Discussion Papers 1490, Cowles Foundation, Yale University. [Downloadable!]

Find related papers by JEL classification:
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information

This paper has been announced in the following NEP Reports:

NEP-ALL-2004-10-18 (All new papers)

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Full references

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.)

George Egorov & Konstantin Sonin, 2005. "The Killing Game: Reputation and Knowledge in Non-Democratic Succession," Economics Working Papers 0054, Institute for Advanced Study, School of Social Science. [Downloadable!]
Other versions:
- Egorov, Georgy & Sonin, Konstantin, 2005. "The Killing Game: Reputation and Knowledge in Non-Democratic Succession," CEPR Discussion Papers 5092, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
Georgy Egorov & Konstantin Sonin, 2005. "The Killing Game: Reputation and Knowledge in Politics of Succession," Game Theory and Information 0505003, EconWPA. [Downloadable!]
Luca Anderlini & Dino Gerardi & Roger Lagunoff, 2007. "A `Super Folk Theorem' in Dynastic Repeated Games," Levine's Bibliography 321307000000000926, UCLA Department of Economics. [Downloadable!]

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