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More Communication, Less Cooperation: Experimental Evidence from Multi-stage Games

Author

Listed:
  • Andersson, Ola

    (Department of Economics, Stockholm School of Economics)

  • Wengström, Erik

    (Department of Economics, Lund University)

Abstract

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. Pre-play communication only has a significant impact on cooperation when no intraplay communication is possible. The results suggest that the credibility of pre-play messages may depend crucially on future communication opportunities.

Suggested Citation

  • Andersson, Ola & Wengström, Erik, 2007. "More Communication, Less Cooperation: Experimental Evidence from Multi-stage Games," Working Papers 2007:4, Lund University, Department of Economics, revised 24 Nov 2010.
    • Handle: RePEc:hhs:lunewp:2007_004
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    File URL: http://project.nek.lu.se/publications/workpap/Papers/WP07_4.pdf
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    References listed on IDEAS

    as
    1. Ola Andersson & Erik Wengström, 2007. "Do Antitrust Laws Facilitate Collusion? Experimental Evidence on Costly Communication in Duopolies," Scandinavian Journal of Economics, Wiley Blackwell, vol. 109(2), pages 321-339, June.
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      • Tore Ellingsen & Magnus Johannesson & Jannie Lilja & Henrik Zetterqvist, 2009. "Trust and Truth," Economic Journal, Royal Economic Society, vol. 119(534), pages 252-276, January.
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    6. Blume Andreas, 1994. "Intraplay Communication in Repeated Games," Games and Economic Behavior, Elsevier, vol. 6(2), pages 181-211, March.
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    Cited by:

    1. Harrington, Joseph E. & Hernan Gonzalez, Roberto & Kujal, Praveen, 2016. "The relative efficacy of price announcements and express communication for collusion: Experimental findings," Journal of Economic Behavior & Organization, Elsevier, vol. 128(C), pages 251-264.

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    More about this item

    Keywords

    Renegotiation; Communication; Cooperation; Experiments;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior

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