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Learning, words and actions : experimental evidence on coordination-improving information

  • Nicolas Jacquemet

    ()

    (CES - Centre d'économie de la Sorbonne - CNRS : UMR8174 - Université Paris I - Panthéon-Sorbonne, EEP-PSE - Ecole d'Économie de Paris - Paris School of Economics - Ecole d'Économie de Paris)

  • Adam Zylbersztejn

    ()

    (CES - Centre d'économie de la Sorbonne - CNRS : UMR8174 - Université Paris I - Panthéon-Sorbonne, EEP-PSE - Ecole d'Économie de Paris - Paris School of Economics - Ecole d'Économie de Paris)

This paper reports experimental results from a one-shot game with two Nash equilibria: the first one is efficient, the second one relies on weakly dominated strategies. The experimental treatments consider three information-enhancing mechanisms in the game: simple repetition, cheap-talk messages and observation of past actions from the current interaction partner. Our experimental results show the use of dominated strategies is quite widespread. Any kind of information (through learning, words or actions) increases efficiency. As regards coordination, we find that good history performs better than good messages; but bad history performs worse than bad messages.

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Paper provided by HAL in its series Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) with number halshs-00505164.

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Date of creation: Jul 2010
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Handle: RePEc:hal:cesptp:halshs-00505164
Note: View the original document on HAL open archive server: http://halshs.archives-ouvertes.fr/halshs-00505164
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  1. John Duffy & Nick Feltovich, 2006. "Words, Deeds, and Lies: Strategic Behaviour in Games with Multiple Signals," Review of Economic Studies, Oxford University Press, vol. 73(3), pages 669-688.
  2. Duffy, John & Feltovich, Nick, 2002. "Do Actions Speak Louder Than Words? An Experimental Comparison of Observation and Cheap Talk," Games and Economic Behavior, Elsevier, vol. 39(1), pages 1-27, April.
  3. Bracht, Juergen & Feltovich, Nick, 2009. "Whatever you say, your reputation precedes you: Observation and cheap talk in the trust game," Journal of Public Economics, Elsevier, vol. 93(9-10), pages 1036-1044, October.
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