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Incomplete Information Models of Guilt Aversion in the Trust Game

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  • Giuseppe Attanasi
  • Pierpaolo Battigalli
  • Elena Manzoni

Abstract

In the theory of psychological games it is assumed that players' preferences on material consequences depend on endogenous beliefs. Most of the applications of this theoretical framework assume that the psychological utility functions representing such preferences are common knowledge. But this is often unrealistic. In particular, it cannot be true in experimental games where players are subjects drawn at random from a population. Therefore an incomplete-information methodology is called for. We take a first step in this direction, focusing on models of guilt aversion in the Trust Game. We consider two alternative modeling assumptions: (i) guilt aversion depends on the role played in the game, because only the trustee can feel guilt for letting the co-player down, (ii) guilt aversion is independent of the role played in the game. We show how the set of Bayesian equilibria changes as the upper bound on guilt sensitivity varies, and we compare this with the complete-information case. Our analysis illustrates the incomplete-information approach to psychological games and can help organize experimental results in the Trust Game.

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File URL: http://dipeco.economia.unimib.it/repec/pdf/mibwpaper246.pdf
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Paper provided by University of Milano-Bicocca, Department of Economics in its series Working Papers with number 246.

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Length: 37
Date of creation: Jun 2013
Date of revision: Jun 2013
Handle: RePEc:mib:wpaper:246

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Keywords: Psychological games; Trust Game; guilt; incomplete information;

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  1. Giuseppe Attanasi & Pierpaolo Battigalli & Rosemarie Nagel, 2013. "Disclosure of Belief-Dependent Preferences in a Trust Game," Working Papers 506, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  2. Uri Gneezy, 2005. "Deception: The Role of Consequences," American Economic Review, American Economic Association, vol. 95(1), pages 384-394, March.
  3. ATTANASI Giuseppe & NAGEL Rosemarie, 2008. "A Survey of Psychological Games: Theoretical Findings and Experimental Evidence," LERNA Working Papers 08.07.251, LERNA, University of Toulouse.
  4. Guerra, Gerardo & John Zizzo, Daniel, 2004. "Trust responsiveness and beliefs," Journal of Economic Behavior & Organization, Elsevier, vol. 55(1), pages 25-30, September.
  5. Simon Gaechter & Daniele Nosenzo & Elke Renner & Martin Sefton, 2009. "Who Makes A Good Leader? Cooperativeness, Optimism And Leading-By-Example," Discussion Papers 2009-19, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.
  6. Christoph Vanberg, 2008. "Why Do People Keep Their Promises? An Experimental Test of Two Explanations -super-1," Econometrica, Econometric Society, vol. 76(6), pages 1467-1480, November.
  7. Charles Bellemare & Alexander Sebald & Martin Strobel, 2010. "Measuring the Willingness to Pay to Avoid Guilt: Estimation using Equilibrium and Stated Belief Models," Discussion Papers 10-08, University of Copenhagen. Department of Economics.
  8. Dufwenberg, Martin, 2002. "Marital investments, time consistency and emotions," Journal of Economic Behavior & Organization, Elsevier, vol. 48(1), pages 57-69, May.
  9. Andrew Caplin & John Leahy, 2004. "The supply of information by a concerned expert," Economic Journal, Royal Economic Society, vol. 114(497), pages 487-505, 07.
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Cited by:
  1. Giuseppe Attanasi & Pierpaolo Battigalli & Rosemarie Nagel, 2013. "Disclosure of Belief-Dependent Preferences in a Trust Game," Working Papers 506, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.

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