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Correlated Equilibria, Good And Bad: An Experimental Study

  • John Duffy
  • Nick Feltovich

We report results from an experiment that explores the empirical validity of "correlated equilibrium", an important generalization of Nash equilibrium. Specifically, we examine the conditions under which subjects playing the game of Chicken will condition their behavior on private third-party recommendations drawn from publicly announced distributions. We find that when recommendations are given, behavior differs from both a mixed-strategy Nash equilibrium and behavior without recommendations. In particular, subjects typically follow recommendations if and only if (1) those recommendations derive from a correlated equilibrium and (2) that correlated equilibrium is payoff-enhancing relative to the available Nash equilibria. Copyright (2010) by the Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.

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File URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j.1468-2354.2010.00598.x
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Article provided by Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association in its journal International Economic Review.

Volume (Year): 51 (2010)
Issue (Month): 3 (08)
Pages: 701-721

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Handle: RePEc:ier:iecrev:v:51:y:2010:i:3:p:701-721
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  1. Seely, Beth & Van Huyck, John & Battalio, Raymond, 2005. "Credible assignments can improve efficiency in laboratory public goods games," Journal of Public Economics, Elsevier, vol. 89(8), pages 1437-1455, August.
  2. Moreno, Diego & Wooders, John, 1996. "Coalition-Proof Equilibrium," Games and Economic Behavior, Elsevier, vol. 17(1), pages 80-112, November.
  3. Sergiu Hart & Andreu Mas-Colell, 2000. "A Simple Adaptive Procedure Leading to Correlated Equilibrium," Econometrica, Econometric Society, vol. 68(5), pages 1127-1150, September.
  4. Foster, Dean P. & Vohra, Rakesh V., 1997. "Calibrated Learning and Correlated Equilibrium," Games and Economic Behavior, Elsevier, vol. 21(1-2), pages 40-55, October.
  5. Urs Fischbacher, 2007. "z-Tree: Zurich toolbox for ready-made economic experiments," Experimental Economics, Springer, vol. 10(2), pages 171-178, June.
  6. Van Huyck, John B. & Gillette, Ann B. & Battalio, Raymond C., 1992. "Credible assignments in coordination games," Games and Economic Behavior, Elsevier, vol. 4(4), pages 606-626, October.
  7. repec:cup:cbooks:9780521555838 is not listed on IDEAS
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