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Beneficial Long Communication in the Multi-Player Electronic Mail Game

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  • K.J.M. De Jaegher

Abstract

In the two-player electronic mail game (EMG), as is well-known, the probability of collective action is lower the more confirmations and re-confirmations are made available to players. In the multi-player EMG, however, as we show players may coordinate on equilibria where they require only few of the available confirmations from each other to act. In this case, increasing the number of available may either create equilibria with positive probability of collective action when none existed before, or may increase the probability of collective action, if equilibria with positive probability of collective action already existed for fewer available confirmations.

Suggested Citation

  • K.J.M. De Jaegher, 2015. "Beneficial Long Communication in the Multi-Player Electronic Mail Game," Working Papers 15-09, Utrecht School of Economics.
  • Handle: RePEc:use:tkiwps:1509
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    File URL: https://dspace.library.uu.nl/bitstream/handle/1874/327010/15_09.pdf
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    References listed on IDEAS

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    1. Stephen Morris & Hyun Song Shin, "undated". "Approximate Common Knowledge and Co-ordination: Recent Lessons from Game Theory," CARESS Working Papres 97-8, University of Pennsylvania Center for Analytic Research and Economics in the Social Sciences.
    2. De Jaegher, Kris, 2008. "Efficient communication in the electronic mail game," Games and Economic Behavior, Elsevier, vol. 63(2), pages 468-497, July.
    3. Rubinstein, Ariel, 1989. "The Electronic Mail Game: Strategic Behavior under "Almost Common Knowledge."," American Economic Review, American Economic Association, vol. 79(3), pages 385-391, June.
    4. Coles Peter A. & Shorrer Ran, 2012. "Correlation in the Multiplayer Electronic Mail Game," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 12(1), pages 1-25, May.
    5. Kris De Jaegher, 2015. "Beneficial Long Communication in the Multiplayer Electronic Mail Game," American Economic Journal: Microeconomics, American Economic Association, vol. 7(4), pages 233-251, November.
    6. Morris Stephen E, 2002. "Faulty Communication: Some Variations on the Electronic Mail Game," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 1(1), pages 1-26, January.
    7. Stephen Morris, 2002. "Coordination, Communication, and Common Knowledge: A Retrospective on the Electronic-mail Game," Oxford Review of Economic Policy, Oxford University Press, vol. 18(4), pages 433-445.
    8. Monderer, Dov & Samet, Dov, 1989. "Approximating common knowledge with common beliefs," Games and Economic Behavior, Elsevier, vol. 1(2), pages 170-190, June.
    9. Binmore, Ken & Samuelson, Larry, 2001. "Coordinated Action in the Electronic Mail Game," Games and Economic Behavior, Elsevier, vol. 35(1-2), pages 6-30, April.
    10. John Geanakoplos, 1992. "Common Knowledge," Journal of Economic Perspectives, American Economic Association, vol. 6(4), pages 53-82, Fall.
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    Cited by:

    1. Kris De Jaegher, 2015. "Beneficial Long Communication in the Multiplayer Electronic Mail Game," American Economic Journal: Microeconomics, American Economic Association, vol. 7(4), pages 233-251, November.

    More about this item

    JEL classification:

    • C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General
    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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