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Imitation, local interaction, and coordination

  • Hsiao-Chi Chen


  • Yunshyong Chow


  • Li-Chau Wu


Registered author(s):

    This paper analyzes players’ long-run behavior in evolutionary coordination games with imitation and one-dimensional local interaction. Players are assumed to interact with their two neighbors and to imitate actions with the highest average payoffs. We find that the payoff-dominant equilibrium survives in the long run with positive probability. The results derive the conditions under which both risk-dominant-strategy and payoff-dominant-strategy takers co-exist in the long run. The risk-dominant equilibrium is the unique long-run equilibrium for the remaining cases. This study extends and complements the analyses of Eshel et al. (Am Econ Rev 88:157–179, 1998 ) and Vega-Redondo (Evolution, games, and economic behaviour, 1996 ). Combining Alós-Ferrer and Weidenholzer’s (Econ Lett 93:163–168, 2006 ; J Econ Theory 14:251–274, 2008 ) and our results, we conclude that players’ long-run behavior varies with imitation rules and information collecting modes. Finally, we show the convergence rate to all the long-run equilibria. Copyright Springer-Verlag Berlin Heidelberg 2013

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    Article provided by Springer & Game Theory Society in its journal International Journal of Game Theory.

    Volume (Year): 42 (2013)
    Issue (Month): 4 (November)
    Pages: 1041-1057

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    Handle: RePEc:spr:jogath:v:42:y:2013:i:4:p:1041-1057
    DOI: 10.1007/s00182-012-0353-7
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    1. Blume Lawrence E., 1993. "The Statistical Mechanics of Strategic Interaction," Games and Economic Behavior, Elsevier, vol. 5(3), pages 387-424, July.
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    3. Apesteguia, Jose & Huck, Steffen & Oechssler, Joerg, 2003. "Imitation - Theory and Experimental Evidence," University of California at Santa Barbara, Economics Working Paper Series qt3h0887tj, Department of Economics, UC Santa Barbara.
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    12. Robles, Jack, 1998. "Evolution with Changing Mutation Rates," Journal of Economic Theory, Elsevier, vol. 79(2), pages 207-223, April.
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    14. Glenn Ellison, 2000. "Basins of Attraction, Long-Run Stochastic Stability, and the Speed of Step-by-Step Evolution," Review of Economic Studies, Oxford University Press, vol. 67(1), pages 17-45.
    15. Simon Weidenholzer, 2010. "Coordination Games and Local Interactions: A Survey of the Game Theoretic Literature," Games, MDPI, Open Access Journal, vol. 1(4), pages 551, November.
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    18. Alós-Ferrer, Carlos & Weidenholzer, Simon, 2008. "Contagion and efficiency," Journal of Economic Theory, Elsevier, vol. 143(1), pages 251-274, November.
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