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Simple complexity from imitation games


  • McLennan, Andrew
  • Tourky, Rabee


We give simple proofs of refinements of the complexity results of Gilboa and Zemel (1989), and we derive additional results of this sort. Our constructions employ imitation games, which are two person games in which both players have the same sets of pure strategies and the second player wishes to play the same pure strategy as the first player.

Suggested Citation

  • McLennan, Andrew & Tourky, Rabee, 2010. "Simple complexity from imitation games," Games and Economic Behavior, Elsevier, vol. 68(2), pages 683-688, March.
  • Handle: RePEc:eee:gamebe:v:68:y:2010:i:2:p:683-688

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    References listed on IDEAS

    1. Gilboa, Itzhak & Zemel, Eitan, 1989. "Nash and correlated equilibria: Some complexity considerations," Games and Economic Behavior, Elsevier, vol. 1(1), pages 80-93, March.
    2. Conitzer, Vincent & Sandholm, Tuomas, 2008. "New complexity results about Nash equilibria," Games and Economic Behavior, Elsevier, vol. 63(2), pages 621-641, July.
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    Cited by:

    1. McLennan, Andrew & Tourky, Rabee, 2010. "Imitation games and computation," Games and Economic Behavior, Elsevier, vol. 70(1), pages 4-11, September.
    2. Tim Roughgarden, 2010. "Computing equilibria: a computational complexity perspective," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 42(1), pages 193-236, January.


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