Efficient equilibrium selection in evolutionary games with random matching
成果类型：
Article
署名作者：
Robson, AJ; VegaRedondo, F
署名单位：
Universitat d'Alacant; Universitat d'Alacant
刊物名称：
JOURNAL OF ECONOMIC THEORY
ISSN/ISSBN：
0022-0531
DOI：
10.1006/jeth.1996.0076
发表日期：
1996
页码：
65-92
关键词：
摘要：
This paper investigates the sensitivity of recent evolutionary models of learning to the specification of the matching mechanism. We study a literally random matching mechanism, combined with a process of strategy adjustment based on the realized average performance of each strategy. In the key class of symmetric 2 x 2 coordination games, the Pareto-efficient equilibrium, pei se, is selected, rather than the risk-dominant equilibrium, as the probability of experimentation (or ''mutation'') goes to zero. Furthermore, convergence to the equilibrium is relatively fast. We extend these results, for example, to games of common interest. Journal of Economic Literature Classification Numbers: C72, C73. (C) 1996 Academic Press, inc.
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