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Language, Meaning, and Games: A Model of Communication, Coordination, and Evolution: Comment

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  • C73 - Stochastic And Dynamic Games
  • Evolutionary Games
  • Repeated Games
  • Linguistics


Demichelis and Weibull (2008 AER) show that adding lexicographic lying costs to coordination games with cheap talk yields a sharp prediction: only the efficient outcome is evolutionarily stable. I show that this result is caused by the discontinuity of preferences rather than by small lying costs per se. Finally, I discuss why discontinuity may not be an appealing assumption in evolutionary models.

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