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Optimal Preventive Bank Supervision: Combining Random Audits and Continuous Intervention

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  • Mohamed Belhaj

    (AMSE - Aix-Marseille School of Economics - Aix-Marseille Univ. - Centre national de la recherche scientifique (CNRS) - Ecole des Hautes Etudes en Sciences Sociales (EHESS) - Ecole Centrale Marseille (ECM))

  • Nataliya Klimenko

    (AMSE - Aix-Marseille School of Economics - Aix-Marseille Univ. - Centre national de la recherche scientifique (CNRS) - Ecole des Hautes Etudes en Sciences Sociales (EHESS) - Ecole Centrale Marseille (ECM))

Abstract

Early regulator interventions into problem banks is one of the key suggestions of Basel II. However, no guidance is given on their design. To fill this gap, we outline an incentive-based preventive supervision strategy that eliminates bad asset management in banks. Two supervision techniques are combined: continuous regulator intervention and random audits. Random audit technologies differ as to quality and cost. Our design ensures good management without excessive supervision costs, through a gradual adjustment of supervision effort to the bank's financial health. We also consider preventive supervision in a setting where audits can be delegated to an independent audit agency, showing how to induce agency compliance with regulatory instructions in the least costly way.

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Paper provided by HAL in its series Working Papers with number halshs-00790464.

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Date of creation: Jan 2012
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Handle: RePEc:hal:wpaper:halshs-00790464

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Keywords: banking supervision; random audit; incentives; moral hazard; delegation;

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  1. Decamps, Jean-Paul & Rochet, Jean-Charles & Roger, Benoit, 2004. "The three pillars of Basel II: optimizing the mix," Journal of Financial Intermediation, Elsevier, vol. 13(2), pages 132-155, April.
  2. Yuliy Sannikov, 2008. "A Continuous-Time Version of the Principal-Agent Problem," Review of Economic Studies, Oxford University Press, vol. 75(3), pages 957-984.
  3. Mathias Dewatripont & Jean Tirole, 1994. "The prudential regulation of banks," ULB Institutional Repository 2013/9539, ULB -- Universite Libre de Bruxelles.
  4. Sudipto Bhattacharya & Manfred Plank & Josef Zechner & Gunter Strobl, 2000. "Bank Capital Regulation With Random Audits," FMG Discussion Papers dp354, Financial Markets Group.
  5. Dangl, Thomas & Lehar, Alfred, 2004. "Value-at-risk vs. building block regulation in banking," Journal of Financial Intermediation, Elsevier, vol. 13(2), pages 96-131, April.
  6. Jean-Charles Rochet, 2004. "Rebalancing the three pillars of Basel II," Economic Policy Review, Federal Reserve Bank of New York, issue Sep, pages 7-21.
  7. Henri Pagès & João A. C. Santos, 2003. "Optimal supervisory policies and depositor-preference laws," BIS Working Papers 131, Bank for International Settlements.
  8. Strausz, Roland, 1997. "Delegation of Monitoring in a Principal-Agent Relationship," Review of Economic Studies, Wiley Blackwell, vol. 64(3), pages 337-57, July.
  9. Merton, Robert C., 1977. "On the cost of deposit insurance when there are surveillance costs," Working papers 903-77., Massachusetts Institute of Technology (MIT), Sloan School of Management.
  10. Abel Elizalde, 2007. "From Basel I To Basel Ii: An Analysis Of The Three Pillars," Working Papers wp2007_0704, CEMFI.
  11. Merton, Robert C., 1977. "An analytic derivation of the cost of deposit insurance and loan guarantees An application of modern option pricing theory," Journal of Banking & Finance, Elsevier, vol. 1(1), pages 3-11, June.
  12. Fries, Steven & Mella-Barral, Pierre & Perraudin, William, 1997. "Optimal bank reorganization and the fair pricing of deposit guarantees," Journal of Banking & Finance, Elsevier, vol. 21(4), pages 441-468, April.
  13. 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.
  14. Rochet, Jean-Charles, 1992. "Capital requirements and the behaviour of commercial banks," European Economic Review, Elsevier, vol. 36(5), pages 1137-1170, June.
  15. Thomas Barnebeck Andersen & Thomas Harr, 2008. "Franchise Values, Regulatory Monitoring, and Capital Requirements in Optimal Bank Regulation," Journal of Emerging Market Finance, Institute for Financial Management and Research, vol. 7(1), pages 81-101, January.
  16. 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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