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On moral hazard and nonexclusive contracts

Author

Listed:
  • Andrea Attar

    (IDEI - Institut d'Economie Industrielle - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse)

  • Arnold Chassagnon

    (GREMAQ - Groupe de recherche en économie mathématique et quantitative - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique, PJSE - Paris-Jourdan Sciences Economiques - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique)

Abstract

We study an economy where intermediaries compete over contracts in a nonexclusive insurance market affected by moral hazard. Our setting is the same as that developed in Bisin and Guaitoli [2004]. The present note provides a counterexample to the set of necessary conditions for high effort equilibria developed in Bisin and Guaitoli [2004] and suggests an alternative equilibrium characterization.

Suggested Citation

  • Andrea Attar & Arnold Chassagnon, 2006. "On moral hazard and nonexclusive contracts," PSE Working Papers halshs-00589101, HAL.
    • Handle: RePEc:hal:psewpa:halshs-00589101
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00589101
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    References listed on IDEAS

    as
    1. Alberto Bisin & Danilo Guaitoli, 2004. "Moral Hazard and Nonexclusive Contracts," RAND Journal of Economics, The RAND Corporation, vol. 35(2), pages 306-328, Summer.
    2. Richard Arnott & Joseph Stiglitz, 1993. "Price Equilibrium, Efficiency, And Decentralizability In Insurance Markets With Moral Hazard," Boston College Working Papers in Economics 254, Boston College Department of Economics.
    3. Attar, Andrea & Piaser, Gwenael & Porteiro, Nicolas, 2007. "A note on Common Agency models of moral hazard," Economics Letters, Elsevier, vol. 95(2), pages 278-284, May.
    4. Martimort David & Stole Lars, 2003. "Contractual Externalities and Common Agency Equilibria," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 3(1), pages 1-40, July.
    5. Charles M. Kahn & Dilip Mookherjee, 1998. "Competition and Incentives with Nonexclusive Contracts," RAND Journal of Economics, The RAND Corporation, vol. 29(3), pages 443-465, Autumn.
    6. Attar Andrea & Campioni Eloisa & Piaser Gwenael, 2006. "Multiple Lending and Constrained Efficiency in the Credit Market," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 6(1), pages 1-37, October.
    7. David Martimort & Lars Stole, 2002. "The Revelation and Delegation Principles in Common Agency Games," Econometrica, Econometric Society, vol. 70(4), pages 1659-1673, July.
    8. Attar, Andrea & Majumdar, Dipjyoti & Piaser, Gwenaël & Porteiro, Nicolás, 2008. "Common agency games: Indifference and separable preferences," Mathematical Social Sciences, Elsevier, vol. 56(1), pages 75-95, July.
    9. Bizer, David S & DeMarzo, Peter M, 1992. "Sequential Banking," Journal of Political Economy, University of Chicago Press, vol. 100(1), pages 41-61, February.
    10. Christine A. Parlour & Uday Rajan, 2001. "Competition in Loan Contracts," American Economic Review, American Economic Association, vol. 91(5), pages 1311-1328, December.
    11. Simon, Leo K & Stinchcombe, Maxwell B, 1995. "Equilibrium Refinement for Infinite Normal-Form Games," Econometrica, Econometric Society, vol. 63(6), pages 1421-1443, November.
    12. Mark V. Pauly, 1974. "Overinsurance and Public Provision of Insurance: The Roles of Moral Hazard and Adverse Selection," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 88(1), pages 44-62.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Green, Daniel & Liu, Ernest, 2021. "A dynamic theory of multiple borrowing," Journal of Financial Economics, Elsevier, vol. 139(2), pages 389-404.
    2. A. Citanna & P. Siconolfi, 2016. "Designing insurance markets with moral hazard and nonexclusive contracts," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 62(1), pages 325-360, June.
    3. Attar, Andrea & Mariotti, Thomas & Salanié, François, 2021. "Competitive Nonlinear Pricing under Adverse Selection," TSE Working Papers 21-1201, Toulouse School of Economics (TSE), revised Aug 2022.
    4. Loss, Frédéric & Piaser, Gwenaël, 2019. "Linear price equilibria in a non-exclusive insurance market," Journal of Mathematical Economics, Elsevier, vol. 81(C), pages 22-30.
    5. Andrea Attar & Thomas Mariotti & François Salanié, 2011. "Nonexclusive Competition in the Market for Lemons," Econometrica, Econometric Society, vol. 79(6), pages 1869-1918, November.
    6. Andrea Attar & Thomas Mariotti & François Salanié, 2022. "Regulating Insurance Markets: Multiple Contracting And Adverse Selection," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 63(3), pages 981-1020, August.
    7. Andrea Attar & Catherine Casamatta & Arnold Chassagnon & Jean-Paul Décamps, 2019. "Multiple Lenders, Strategic Default, and Covenants," American Economic Journal: Microeconomics, American Economic Association, vol. 11(2), pages 98-130, May.
    8. Andrea Attar & Eloisa Campioni & Gwenaël Piaser & Uday Rajan, 2012. "Competing mechanism games of moral hazard: communication and robustness," Review of Economic Design, Springer;Society for Economic Design, vol. 16(4), pages 283-296, December.
    9. Charles M. Kahn & Francisco Rivadeneyra & Tsz-Nga Wong, 2020. "Eggs in One Basket: Security and Convenience of Digital Currencies," Working Papers 2020-032, Federal Reserve Bank of St. Louis.
    10. , & , & ,, 2014. "Nonexclusive competition under adverse selection," Theoretical Economics, Econometric Society, vol. 9(1), January.
    11. Frédéric Loss & Gwanaël Piaser, 2013. "Linear Prices Equilibria and Nonexclusive Insurance Market," Working Papers hal-00870113, HAL.
    12. Joseph E. Stiglitz & Jungyoll Yun & Andrew Kosenko, 2017. "Equilibrium in a Competitive Insurance Market Under Adverse Selection with Endogenous Information," NBER Working Papers 23556, National Bureau of Economic Research, Inc.
    13. Gerald D. Jaynes, 2011. "Equilibrium and Strategic Communication in the Adverse Selection Insurance Model," Levine's Working Paper Archive 786969000000000243, David K. Levine.
    14. Jaynes, Gerald D., 2011. "Equilibrium and Strategic Communication in the Adverse Selection Insurance Model," Working Papers 91, Yale University, Department of Economics.
    15. repec:ipg:wpaper:2014-042 is not listed on IDEAS
    16. Gerald D. Jaynes, 2018. "Endogenous Beliefs and Institutional Structure in Competitive Equilibrium with Adverse Selection," Cowles Foundation Discussion Papers 2159, Cowles Foundation for Research in Economics, Yale University.

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