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Equilibrium Selection in Global Games with Strategic Complementarities

Author

Listed:
  • David M. Frankel

    (Tel Aviv University)

  • Stephen Morris

    (Cowles Foundation)

  • Ady Pauzner

    (Tel Aviv University)

Abstract

We study games with strategic complementarities, arbitrary numbers of players and actions, and slightly noisy payoff signals. We prove limit uniqueness: as the signal noise vanishes, the game has a unique strategy profile that survives iterative dominance. This generalizes a result of Carlsson and van Damme (1993) for two player, two action games. Te surviving profile, however, may depend on fine details of the structure of the noise. We provide sufficient conditions on payoffs for there to be noise-independent selection.

Suggested Citation

  • David M. Frankel & Stephen Morris & Ady Pauzner, 2001. "Equilibrium Selection in Global Games with Strategic Complementarities," Cowles Foundation Discussion Papers 1336, Cowles Foundation for Research in Economics, Yale University.
  • Handle: RePEc:cwl:cwldpp:1336
    Note: CFP 1075.
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    References listed on IDEAS

    as
    1. David Frankel & Ady Pauzner, 2000. "Resolving Indeterminacy in Dynamic Settings: The Role of Shocks," The Quarterly Journal of Economics, Oxford University Press, vol. 115(1), pages 285-304.
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    4. Giancarlo Corsetti & Amil Dasgupta & Stephen Morris & Hyun Song Shin, 2004. "Does One Soros Make a Difference? A Theory of Currency Crises with Large and Small Traders," Review of Economic Studies, Oxford University Press, vol. 71(1), pages 87-113.
    5. Carlsson, H. & van Damme, E.E.C., 1991. "Equilibrium selection in stag hunt games," Other publications TiSEM bd92d0ae-790f-40ad-afea-4, Tilburg University, School of Economics and Management.
    6. Carlsson, Hans & van Damme, Eric, 1993. "Global Games and Equilibrium Selection," Econometrica, Econometric Society, vol. 61(5), pages 989-1018, September.
    7. van Damme, E.E.C., 1991. "Equilibrium selection in 2x2 games," Other publications TiSEM 8553edfd-4c45-4e96-927c-d, Tilburg University, School of Economics and Management.
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    13. Morris, Stephen & Shin, Hyun Song, 2004. "Coordination risk and the price of debt," European Economic Review, Elsevier, vol. 48(1), pages 133-153, February.
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    17. Atsushi Kajii & Stephen Morris, 1997. "The Robustness of Equilibria to Incomplete Information," Econometrica, Econometric Society, vol. 65(6), pages 1283-1310, November.
    18. Vives, Xavier, 1990. "Nash equilibrium with strategic complementarities," Journal of Mathematical Economics, Elsevier, vol. 19(3), pages 305-321.
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    More about this item

    Keywords

    Equilibrium Selection; Global Games; Strategic Complementarities; Supermodular Games;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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