Learning by Similarity in Coordination Problems

Jakub Steiner and Colin Stewart

CERGE-EI Working Papers from The Center for Economic Research and Graduate Education - Economics Institute, Prague

Abstract: We study a learning process in which subjects extrapolate from their experience of similar past strategic situations to the current decision problem. When applied to coordination games, this learning process leads to contagion of behavior from problems with extreme payoffs and unique equilibria to very dissimilar problems. In the long-run, contagion results in unique behavior even though there are multiple equilibria when the games are analyzed in isolation. Characterization of the long-run state is based on a formal parallel to rational equilibria of games with subjective priors. The results of contagion due to learning share the qualitative features of those from contagion due to incomplete information, but quantitatively they differ.

Keywords: Similarity; learning; contagion; case-based reasoning; global games; coordination; subjective priors. (search for similar items in EconPapers)
Date: 2007-04
New Economics Papers: this item is included in nep-cbe, nep-evo and nep-gth
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Citations: View citations in EconPapers (5)

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