EVOLUTION WITH ENDOGENOUS MUTATIONS

Ivar Kolstad

International Game Theory Review (IGTR), 2005, vol. 07, issue 02, 229-240

Abstract: Bergin and Lipman (1996) prove that equilibrium selection in the evolutionary dynamics of Kandoriet al. (1993) and Young (1993), is not robust to variations in mutation rates across states. Specifically, a risk dominant equilibrium can be selected against if mutation rates are higher in its basin of attraction than elsewhere. Van Damme and Weibull (1998) model mutations as a compromise between payoff losses and control costs, which implies lower mutation rates in the risk dominant equilibrium. This paper argues that this result is not driven by control costs, but by players focusing on payoff losses when choosing mutation rates.

Keywords: Evolution; mutation; equilibrium selection; JEL classification numbers: C73 (search for similar items in EconPapers)
JEL-codes: B4 C0 C6 C7 D5 D7 M2 (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (2)

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DOI: 10.1142/S0219198905000508

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