Robustness of equilibria in anonymous local games |
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Authors: | Willemien Kets |
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Affiliation: | Santa Fe Institute and CentER, Tilburg University, 1399 Hyde Park Road, Santa Fe, NM 87501, United States |
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Abstract: | This paper studies the robustness of symmetric equilibria in anonymous local games to perturbations of prior beliefs. Two priors are strategically close on a class of games if players receive similar expected payoffs in equilibrium under the priors, for any game in that class. I show that if the structure of payoff interdependencies is sparse in a well-defined sense, the conditions for strategic proximity in anonymous local games are strictly weaker than the conditions for general Bayesian games of Kajii and Morris (1998) [11] when attention is restricted to symmetric equilibria. Hence, by exploiting the properties of anonymous local games, it is possible to obtain stronger robustness results for this class. |
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Keywords: | C72 D82 |
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