Survival of dominated strategies under evolutionary dynamics

We prove that any deterministic evolutionary dynamic satisfying four mild requirements fails to eliminate strictly dominated strategies in some games. We also show that existing elimination results for evolutionary dynamics are not robust to small changes in the specifications of the dynamics. Numerical analysis reveals that dominated strategies can persist at nontrivial frequencies even when the level of domination is not small.

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Year of publication:	2011-09-13
Authors:	Sandholm, William H. ; Hofbauer, Josef
Published in:	Theoretical Economics. - Econometric Society, ISSN 1555-7561. - Vol. 6.2011, 3
Publisher:	Econometric Society
Subject:	Evolutionary game theory \| evolutionary game dynamics \| nonconvergnece \| dominated strategies

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Extent:	application/pdf
Type of publication:	Article
Language:	English
Classification:	C72 - Noncooperative Games ; C73 - Stochastic and Dynamic Games
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10008678225