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Randomization, Communication, and Efficiency in Repeated Games with Imperfect Public Monitoring

Author

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  • Kandori Michihiro

    (University of Tokyo, Hongo, Bunkyo City, Tokyo, Japan)

Abstract

The present paper shows that the Folk Theorem under imperfect (public) information (Fudenberg, Levine and Maskin (1994)) can be obtained under much weaker set of assumptions, if we allow communication among players. Our results in particular show that for generic symmetric games with at least four players, we can drop the FLM condition on the number of actions and signals altogether and prove the folk theorem under the same condition as in the perfect monitoring case.
(This abstract was borrowed from another version of this item.)

Suggested Citation

  • Kandori Michihiro, 2003. "Randomization, Communication, and Efficiency in Repeated Games with Imperfect Public Monitoring," Econometrica, Econometric Society, vol. 71(1), pages 345-353, January.
    • Handle: RePEc:ecm:emetrp:v:71:y:2003:i:1:p:345-353
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    Cited by:

    1. Miyagawa, Eiichi & Miyahara, Yasuyuki & Sekiguchi, Tadashi, 2008. "The folk theorem for repeated games with observation costs," Journal of Economic Theory, Elsevier, vol. 139(1), pages 192-221, March.
    2. Jullien, Bruno & Park, In-Uck, 2019. "Communication, Feedbacks and Repeated Moral Hazard with Short-lived Buyers," TSE Working Papers 19-1027, Toulouse School of Economics (TSE), revised Apr 2020.
    3. Kobayashi, Hajime & Ohta, Katsunori & Sekiguchi, Tadashi, 2016. "Optimal sharing rules in repeated partnerships," Journal of Economic Theory, Elsevier, vol. 166(C), pages 311-323.
    4. Awaya, Yu & Krishna, Vijay, 2019. "Communication and cooperation in repeated games," Theoretical Economics, Econometric Society, vol. 14(2), May.
    5. Konishi, Hideki, 2005. "Intergovernmental versus intersource emissions trading when firms are noncompliant," Journal of Environmental Economics and Management, Elsevier, vol. 49(2), pages 235-261, March.
    6. Li, Rui, 2010. "Sufficient communication in repeated games with imperfect private monitoring," Economics Letters, Elsevier, vol. 108(3), pages 322-326, September.
    7. Sushil Bikhchandani & Ichiro Obara, 2017. "Mechanism design with information acquisition," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 63(3), pages 783-812, March.
    8. Michihiro Kandori & Ichiro Obara, 2006. "Efficiency in Repeated Games Revisited: The Role of Private Strategies," Econometrica, Econometric Society, vol. 74(2), pages 499-519, March.
    9. Markus Kinateder, 2006. "Repeated Games Played in a Network," UFAE and IAE Working Papers 674.06, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC).

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