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Hidden insurance in a moral hazard economy

Author Info

  • Bertola, Giuseppe
  • Koeniger, Winfried

Abstract

We consider an economy where individuals privately choose effort and trade competitively priced securities that pay off with effort-determined probability. We show that if insurance against a negative shock is sufficiently incomplete, then standard functional formrestrictions ensure that individual objective functions are optimized by an effort and insurance combination that is unique and satisfies first- and second-order conditions. Modeling insurance incompleteness in terms of costly production of private insurance services, we characterize the constrained inefficiency arising in general equilibrium from competitive pricing of nonexclusive financial contracts.

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Paper provided by Center for Financial Studies (CFS) in its series CFS Working Paper Series with number 2013/25.

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Date of creation: 2013
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Handle: RePEc:zbw:cfswop:201325
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Keywords: Hidden action; Principal agent; First-order approach; Constrained efficiency;

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Find related papers by JEL classification:
  • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
  • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
  • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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  1. Dirk Krueger & Fabrizio Perri, 2009. "Public versus Private Risk Sharing," NBER Working Papers 15582, National Bureau of Economic Research, Inc.
  2. Bisin, A. & Guaitoli, D., 1998. "Moral Hazard and Non-Exclusive Contracts," Working Papers 98-24, C.V. Starr Center for Applied Economics, New York University.
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  4. Bisin, A. & Geanakoplos, J.D. & Gottardi, P. & Minelli, E. & Polemarchakis, H., 2011. "Markets and contracts," Journal of Mathematical Economics, Elsevier, vol. 47(3), pages 279-288.
  5. Mikhail Golosov & Aleh Tsyvinski, 2006. "Optimal Taxation with Endogenous Insurance Markets," Levine's Bibliography 784828000000000445, UCLA Department of Economics.
  6. Sebastian Koehne & Nicola Pavoni & Arpad Abraham, 2010. "On the First-Order Approach in Principal-Agent Models with Hidden Borrowing and Lending," 2010 Meeting Papers 947, Society for Economic Dynamics.
  7. Richard J. Arnott & Joseph E. Stiglitz, 1983. "Moral Hazard and Optimal Commodity Taxation," NBER Working Papers 1154, National Bureau of Economic Research, Inc.
  8. Saez, Emmanuel & Chetty, Nadarajan, 2010. "Optimal Taxation and Social Insurance with Endogenous Private Insurance," Scholarly Articles 9696326, Harvard University Department of Economics.
  9. Bisin, Alberto & Gottardi, Piero, 1999. "Competitive Equilibria with Asymmetric Information," Journal of Economic Theory, Elsevier, vol. 87(1), pages 1-48, July.
  10. Helpman, Elhanan & Laffont, Jean-Jacques, 1975. "On moral hazard in general equilibrium theory," Journal of Economic Theory, Elsevier, vol. 10(1), pages 8-23, February.
  11. Árpád Ábrahám & Nicola Pavoni, 2005. "The Efficient Allocation of Consumption under Moral Hazard and Hidden Access to the Credit Market," Journal of the European Economic Association, MIT Press, vol. 3(2-3), pages 370-381, 04/05.
  12. Bizer, David S & DeMarzo, Peter M, 1992. "Sequential Banking," Journal of Political Economy, University of Chicago Press, vol. 100(1), pages 41-61, February.
  13. Pricila Maziero, 2009. "Non-Exclusive Dynamic Contracts, Competition, and the Limits of Insurance," 2009 Meeting Papers 509, Society for Economic Dynamics.
  14. Mirrlees, James A, 1971. "An Exploration in the Theory of Optimum Income Taxation," Review of Economic Studies, Wiley Blackwell, vol. 38(114), pages 175-208, April.
  15. Greenwald, Bruce C & Stiglitz, Joseph E, 1986. "Externalities in Economies with Imperfect Information and Incomplete Markets," The Quarterly Journal of Economics, MIT Press, vol. 101(2), pages 229-64, May.
  16. Pauly, Mark V, 1974. "Overinsurance and Public Provision of Insurance: The Roles of Moral Hazard and Adverse Selection," The Quarterly Journal of Economics, MIT Press, vol. 88(1), pages 44-62, February.
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Cited by:

  1. Bertola, Giuseppe & Koeniger, Winfried, 2014. "On the validity of the first-order approach with moral hazard and hidden assets," Economics Letters, Elsevier, vol. 124(3), pages 402-405.

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