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Asymmetric and Endogenous Within-Group Communication in Competitive Coordination Games

Cason, Timothy and Sheremeta, Roman and Zhang, Jingjing (2015): Asymmetric and Endogenous Within-Group Communication in Competitive Coordination Games.

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Within-group communication in competitive coordination games has been shown to increase competition between groups and lower efficiency. This study further explores potentially harmful effects of communication, by addressing the questions of (i) asymmetric communication and (ii) the endogenous emergence of communication. Our theoretical analysis provides testable hypotheses regarding the effect of communication on competitive behavior and efficiency. We test these predictions using a laboratory experiment. The experiment shows that although asymmetric communication is not as harmful as symmetric communication, it leads to more aggressive competition and lower efficiency relative to the case when neither group can communicate. Moreover, groups vote to endogenously open communication channels even though this leads to lower payoffs and efficiency.

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