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Evolution with Mutations Driven by Control Costs

Eric van Damme and Jörgen Weibull

No 1998-94, Discussion Paper from Tilburg University, Center for Economic Research

Abstract: Bergin and Lipman (1996) show that the refinement effect from the random mutations in the adaptive dynamics in Kandori, Mailath and Rob (1993) and Young (1993) is due to restrictions on how these mutation rates vary across population states. We here model these mutation rates as endogenously determined mistake probabilities, by assuming that players at some cost or disutility can control their mistake probability, i.e., the probability of implementing another pure strategy than intended. This is shown to corroborate the result in Kandori-Mailath-Rob and Young that the risk-dominant equilibrium is selected in 2£ 2-coordination games.

Keywords: games; probability (search for similar items in EconPapers)
Date: 1998
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Related works:
Working Paper: Evolution with Mutations Driven by Control Costs (1999) Downloads
Working Paper: Evolution with Mutations Driven by Control Costs (1998) Downloads
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