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On the validity of the first-order approach with moral hazard and hidden assets

Author

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  • Bertola, Giuseppe
  • Koeniger, Winfried

Abstract

With moral hazard and anonymous asset trade, first-order conditions need not characterize effort and portfolio choices. The standard procedure for establishing validity of the first-order approach in economies with one hidden asset is not fruitful when multiple assets are hidden.

Suggested Citation

  • 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.
  • Handle: RePEc:eee:ecolet:v:124:y:2014:i:3:p:402-405 DOI: 10.1016/j.econlet.2014.06.030
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    References listed on IDEAS

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    1. Rogerson, William P, 1985. "The First-Order Approach to Principal-Agent Problems," Econometrica, Econometric Society, vol. 53(6), pages 1357-1367, November.
    2. Ábrahám, Árpád & Koehne, Sebastian & Pavoni, Nicola, 2011. "On the first-order approach in principal-agent models with hidden borrowing and lending," Journal of Economic Theory, Elsevier, vol. 146(4), pages 1331-1361, July.
    3. Giuseppe Bertola & Winfried Koeniger, 2015. "Hidden insurance in a moral-hazard economy," RAND Journal of Economics, RAND Corporation, vol. 46(4), pages 777-790, October.
    4. J. A. Mirrlees, 1971. "An Exploration in the Theory of Optimum Income Taxation," Review of Economic Studies, Oxford University Press, vol. 38(2), pages 175-208.
    5. Jewitt, Ian, 1988. "Justifying the First-Order Approach to Principal-Agent Problems," Econometrica, Econometric Society, vol. 56(5), pages 1177-1190, September.
    6. Mikhail Golosov & Aleh Tsyvinski, 2007. "Optimal Taxation with Endogenous Insurance Markets," The Quarterly Journal of Economics, Oxford University Press, vol. 122(2), pages 487-534.
    7. Harold L. Cole & Narayana R. Kocherlakota, 2001. "Efficient Allocations with Hidden Income and Hidden Storage," Review of Economic Studies, Oxford University Press, vol. 68(3), pages 523-542.
    8. Mark V. Pauly, 1974. "Overinsurance and Public Provision of Insurance: The Roles of Moral Hazard and Adverse Selection," The Quarterly Journal of Economics, Oxford University Press, vol. 88(1), pages 44-62.
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    More about this item

    Keywords

    Hidden action; Hidden assets; Principal agent; First-order approach;

    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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