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Risk management under a prudential policy

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  • Hirbod Assa

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Abstract

In this paper, we study the structure of optimal contracts in banking system when there is no risk of moral hazard. We consider a risk management problem under a policy that reduces the excessive risk-taking behavior by making all banks bear part of the risk that they transfer to other parties in the market. First, we characterize the optimal solutions to the risk management problem, and, second, we find a necessary and sufficient condition under which the “risk of the tail events” will not be transferred. In particular, we will study the problem using two known risk measures, value at risk and conditional value at risk, and will show that in these cases, the optimal solutions are in the form of stop-loss policies. Copyright Springer-Verlag Italia 2015

Suggested Citation

  • Hirbod Assa, 2015. "Risk management under a prudential policy," Decisions in Economics and Finance, Springer;Associazione per la Matematica, vol. 38(2), pages 217-230, October.
  • Handle: RePEc:spr:decfin:v:38:y:2015:i:2:p:217-230
    DOI: 10.1007/s10203-015-0165-x
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    References listed on IDEAS

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    1. George G. Kaufman, 1988. "Bank Runs: Causes, Benefits, and Costs," Cato Journal, Cato Journal, Cato Institute, vol. 7(3), pages 559-594, Winter.
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    8. Wu, Xianyi & Zhou, Xian, 2006. "A new characterization of distortion premiums via countable additivity for comonotonic risks," Insurance: Mathematics and Economics, Elsevier, vol. 38(2), pages 324-334, April.
    9. Xavier Freixas & Jean-Charles Rochet, 2008. "Microeconomics of Banking, 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 0262062704, January.
    10. Rama Cont & Romain Deguest & Giacomo Scandolo, 2010. "Robustness and sensitivity analysis of risk measurement procedures," Quantitative Finance, Taylor & Francis Journals, vol. 10(6), pages 593-606.
    11. Dowd, Kevin, 1996. "The Case for Financial Laissez-Faire," Economic Journal, Royal Economic Society, vol. 106(436), pages 679-687, May.
    12. Kevin C. Murdock & Thomas F. Hellmann & Joseph E. Stiglitz, 2000. "Liberalization, Moral Hazard in Banking, and Prudential Regulation: Are Capital Requirements Enough?," American Economic Review, American Economic Association, vol. 90(1), pages 147-165, March.
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    More about this item

    Keywords

    Deposit insurance; Risk measure and premium; Black–Scholes model; Moral hazard; Tail events; VaR; CVaR; Stop-loss policy; G21; G22;

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies; Actuarial Studies

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