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Credible communication and cooperation: Experimental evidence from multi-stage Games

  • Andersson, Ola
  • Wengström, Erik

It is well known that communication often serves as a facilitator for cooperation in static games. Yet, communication can serve entirely different purposes in dynamic settings as communication during the game may work as a means for renegotiation, potentially undermining the credibility of cooperative strategies. To explore this issue, this paper experimentally investigates cooperation and non-binding communication in a two-stage game. More specifically, two treatments are considered: one with only pre-play communication and one where subjects can also communicate intra-play between the stages of the game. The results highlight a nontrivial difference concerning the effects of pre-play communication between the two treatments. Sending or receiving pre-play messages has a positive and significant effect on cooperation if there is no possibility of intra-play communication. However, this effect is significantly reduced when when intra-play communication is allowed. The results suggest that the credibility of pre-play messages may depend crucially on future communication opportunities.

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Article provided by Elsevier in its journal Journal of Economic Behavior & Organization.

Volume (Year): 81 (2012)
Issue (Month): 1 ()
Pages: 207-219

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Handle: RePEc:eee:jeborg:v:81:y:2012:i:1:p:207-219
Contact details of provider: Web page: http://www.elsevier.com/locate/jebo

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