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Boundary and interior equilibria: what drives convergence in a ‘beauty contest’?

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Author Info
Andrea, Morone
Piergiuseppe, Morone

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Abstract

We present an experimental game in the p-beauty framework. Building on the definitions of boundary and interior equilibria, we distinguish between ‘speed of convergence towards the game-theoretic equilibrium’ and ‘deviations of the guesses from the game-theoretic equilibrium’. In contrast to earlier findings (Güth et al., 2002), we show, under a different game parameterisation, that (i) interior equilibria initially produce smaller deviation of the guesses from the game-theoretic equilibrium compared to boundary equilibria; (ii) interior and boundary equilibria do not differ in the timeframe needed for convergence; (iii) the speed of convergence is higher in the boundary equilibrium.

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File URL: http://mpra.ub.uni-muenchen.de/9584/
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Publisher Info
Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 9584.

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Date of creation: 2008
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Handle: RePEc:pra:mprapa:9584

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Related research
Keywords: Guessing game; p-beauty contest; individual behaviour;

Find related papers by JEL classification:
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior

This paper has been announced in the following NEP Reports:

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Andrea Morone & Piergiuseppe Morone, 2007. "Guessing Games and People Behaviours: What Can we Learn?," series 0015, Dipartimento di Scienze Economiche - Università di Bari, revised Feb 2007. [Downloadable!]
  2. W. Güth & M. Kocher & M. Sutter, . "Experimental Beauty Contests with Homogeneous and Heterogeneous Players and with Interior and Boundary Equilibria," Sonderforschungsbereich 373 2001-45, Humboldt Universitaet Berlin.
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  3. Weber, Roberto A., 2003. "'Learning' with no feedback in a competitive guessing game," Games and Economic Behavior, Elsevier, vol. 44(1), pages 134-144, July. [Downloadable!] (restricted)
  4. 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)
  5. Duffy, John & Nagel, Rosemarie, 1997. "On the Robustness of Behaviour in Experimental "Beauty Contest" Games," Economic Journal, Royal Economic Society, vol. 107(445), pages 1684-1700, November. [Downloadable!] (restricted)
  6. Rosemarie Nagel & Antoni Bosch-Domènech & Albert Satorra & José García Montalvo, 1999. "One, Two, (Three), Infinity: Newspaper and Lab Beauty-Contest Experiments," Economics Working Papers 438, Department of Economics and Business, Universitat Pompeu Fabra. [Downloadable!]
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Joep Sonnemans & Jan Tuinstra, 2008. "Positive Expectations Feedback Experiments and Number Guessing Games as Models of Financial Markets," Tinbergen Institute Discussion Papers 08-076/1, Tinbergen Institute. [Downloadable!]
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This page was last updated on 2009-11-28.


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