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Moral Hazard and Ambiguity

  • Philipp Weinschenk

    ()

    (Max Planck Institute for Research on Collective Goods)

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    We consider a principal-agent model with moral hazard where the agent’s knowledge about the performance measure is ambiguous and he is averse towards ambiguity. We show that the principal may optimally provide no incentives or contract only on a subset of all informative performance measures. That is, the Informativeness Principle does not hold in our model. These results stand in stark contrast to the ones of the orthodox theory, but are empirically of high relevance.

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    File URL: http://www.coll.mpg.de/pdf_dat/2010_39online.pdf
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    Paper provided by Max Planck Institute for Research on Collective Goods in its series Working Paper Series of the Max Planck Institute for Research on Collective Goods with number 2010_39.

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    Date of creation: Sep 2010
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    Handle: RePEc:mpg:wpaper:2010_39
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    1. Mukerji, Sujoy, 1998. "Ambiguity Aversion and Incompleteness of Contractual Form," American Economic Review, American Economic Association, vol. 88(5), pages 1207-31, December.
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    7. Bengt Holmstrom & Paul R. Milgrom, 1985. "Aggregation and Linearity in the Provision of Intertemporal Incentives," Cowles Foundation Discussion Papers 742, Cowles Foundation for Research in Economics, Yale University.
    8. Jensen, M.C. & Murphy, K.J., 1988. "Performance Pay And Top Management Incentives," Papers 88-04, Rochester, Business - Managerial Economics Research Center.
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    11. Leonidas Enrique de la Rosa, 2007. "Overconfidence and Moral Hazard," Economics Working Papers 2007-08, School of Economics and Management, University of Aarhus.
    12. Peter Klibanoff & Massimo Marinacci & Sujoy Mukerji, 2002. "A smooth model of decision making under ambiguity," ICER Working Papers - Applied Mathematics Series 11-2003, ICER - International Centre for Economic Research, revised Apr 2003.
    13. Malmendier, Ulrike M. & Della Vigna, Stefano, 2003. "Contract Design and Self Control: Theory and Evidence," Research Papers 1801, Stanford University, Graduate School of Business.
    14. Holmstrom, Bengt & Milgrom, Paul, 1991. "Multitask Principal-Agent Analyses: Incentive Contracts, Asset Ownership, and Job Design," Journal of Law, Economics and Organization, Oxford University Press, vol. 7(0), pages 24-52, Special I.
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    16. Itzhak Gilboa & Andrew W. Postlewaite & David Schmeidler, 2008. "Probability and Uncertainty in Economic Modeling," Journal of Economic Perspectives, American Economic Association, vol. 22(3), pages 173-88, Summer.
    17. Karni, Edi, 2009. "A reformulation of the maxmin expected utility model with application to agency theory," Journal of Mathematical Economics, Elsevier, vol. 45(1-2), pages 97-112, January.
    18. Sujoy Mukerji, 2002. "Ambiguity Aversion and Cost-Plus Procurement Contracts," Economics Series Working Papers 112, University of Oxford, Department of Economics.
    19. Theo Offerman & Joep Sonnemans & Gijs Van De Kuilen & Peter P. Wakker, 2009. "A Truth Serum for Non-Bayesians: Correcting Proper Scoring Rules for Risk Attitudes ," Review of Economic Studies, Oxford University Press, vol. 76(4), pages 1461-1489.
    20. Ghirardato, Paolo & Maccheroni, Fabio & Marinacci, Massimo, 2004. "Differentiating ambiguity and ambiguity attitude," Journal of Economic Theory, Elsevier, vol. 118(2), pages 133-173, October.
    21. Hvide, Hans K., 2002. "Pragmatic beliefs and overconfidence," Journal of Economic Behavior & Organization, Elsevier, vol. 48(1), pages 15-28, May.
    22. Dow, James & Werlang, Sergio Ribeiro da Costa, 1992. "Uncertainty Aversion, Risk Aversion, and the Optimal Choice of Portfolio," Econometrica, Econometric Society, vol. 60(1), pages 197-204, January.
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