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The Compromise Game: Two-sided Adverse Selection in the Laboratory

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Author Info
Thomas R. Palfrey () (The Division of Humanities and Social Sciences, California Institute of Technology)
Abstract

We analyze a game of two-sided private information characterized by extreme adverse selection, and study a special case in the laboratory. Each player has a privately known "strength" and can decide to fight or compromise. If either chooses to fight, there is a conflict; the stronger player receives a high payoff and the weaker player receives a low payoff. If both choose to compromise, conflict is avoided and each receives an intermediate payoff. The only equilibrium in both the sequential and simultaneous versions of the game is for players to always fight, independent of their own strength. In our experiment, we observe among other things (i) frequent compromise, (ii) little evidence of learning, and (iii) different behavior between first, second and simultaneous movers. We explore several models in an attempt to understand the reasons underlying these anomalous choices, including quantal response equilibrium, cognitive hierarchy, and cursed equilibrium.

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File URL: http://www.usc.edu/dept/LAS/economics/IEPR/Working%20Papers/IEPR_06.60_%5BCarrilloPalfrey%5D.pdf
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Publisher Info
Paper provided by Institute of Economic Policy Research (IEPR) in its series IEPR Working Papers with number 06.60.

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Length: 44 pages
Date of creation: Dec 2006
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Handle: RePEc:scp:wpaper:06-60

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Related research
Keywords: two-sided private information; adverse selection; laboratory experiment; behavioral game theory; quantal response equilibrium; cognitive hierarchy; cursed equilibrium;

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Find related papers by JEL classification:
C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information

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  1. Vincent P. Crawford & Nagore Iriberri, 2007. "Level-k Auctions: Can a Nonequilibrium Model of Strategic Thinking Explain the Winner's Curse and Overbidding in Private-Value Auctions?," Econometrica, Econometric Society, vol. 75(6), pages 1721-1770, November. [Downloadable!] (restricted)
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  2. Miguel A. Costa-Gomes & Vincent P. Crawford, 2006. "Cognition and Behavior in Two-Person Guessing Games: An Experimental Study," American Economic Review, American Economic Association, vol. 96(5), pages 1737-1768, December. [Downloadable!]
    Other versions:
  3. Erik Eyster & Matthew Rabin, 2005. "Cursed Equilibrium," Econometrica, Econometric Society, vol. 73(5), pages 1623-1672, 09. [Downloadable!] (restricted)
  4. Milgrom, Paul & Stokey, Nancy, 1982. "Information, trade and common knowledge," Journal of Economic Theory, Elsevier, vol. 26(1), pages 17-27, February. [Downloadable!] (restricted)
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  5. Stahl Dale O. & Wilson Paul W., 1995. "On Players' Models of Other Players: Theory and Experimental Evidence," Games and Economic Behavior, Elsevier, vol. 10(1), pages 218-254, July. [Downloadable!] (restricted)
  6. Ernst Fehr & Klaus M. Schmidt, 1999. "A Theory Of Fairness, Competition, And Cooperation," The Quarterly Journal of Economics, MIT Press, vol. 114(3), pages 817-868, August. [Downloadable!] (restricted)
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  7. Goeree, Jacob & Holt, Charles & Palfrey, Thomas, 2005. "Regular Quantal Response Equilibrium," Working Papers 1219, California Institute of Technology, Division of the Humanities and Social Sciences. [Downloadable!]
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  8. Nagel, Rosemarie, 1995. "Unraveling in Guessing Games: An Experimental Study," American Economic Review, American Economic Association, vol. 85(5), pages 1313-26, December. [Downloadable!] (restricted)
  9. Morris, Stephen, 1994. "Trade with Heterogeneous Prior Beliefs and Asymmetric Information," Econometrica, Econometric Society, vol. 62(6), pages 1327-47, November. [Downloadable!] (restricted)
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  11. Akerlof, George A, 1970. "The Market for 'Lemons': Quality Uncertainty and the Market Mechanism," The Quarterly Journal of Economics, MIT Press, vol. 84(3), pages 488-500, August. [Downloadable!] (restricted)
  12. Myerson, Roger B. & Satterthwaite, Mark A., 1983. "Efficient mechanisms for bilateral trading," Journal of Economic Theory, Elsevier, vol. 29(2), pages 265-281, April. [Downloadable!] (restricted)
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  13. Casella, Alessandra & Gelman, Andrew & Palfrey, Thomas R., 2006. "An experimental study of storable votes," Games and Economic Behavior, Elsevier, vol. 57(1), pages 123-154, October. [Downloadable!] (restricted)
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  14. Robert Forsythe & R. Mark Isaac & Thomas R. Palfrey, 1989. "Theories and Tests of "Blind Bidding" in Sealed-Bid Auctions," RAND Journal of Economics, The RAND Corporation, vol. 20(2), pages 214-238, Summer. [Downloadable!] (restricted)
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  15. Eddie Dekel & Michele Piccione, 2001. "Sequential Voting Procedures in Symmetric Binary Elections," Journal of Political Economy, University of Chicago Press, vol. 108(1), pages 34-55, February. [Downloadable!] (restricted)
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  16. Camerer, Colin F. & Palfrey, Thomas R. & Rogers, Brian W., 2006. "Heterogeneous quantal response equilibrium and cognitive hierarchies," Working Papers 1260, California Institute of Technology, Division of the Humanities and Social Sciences. [Downloadable!]
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