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Stress-testing banks’ corporate credit portfolio

Author

Listed:
  • O. de Bandt
  • N. Dumontaux
  • V. Martin
  • D. Médée

Abstract

The paper describes the methods used by the French Banking Supervision Authority (ACP) to run stress tests for the corporate credit portfolio, through credit migration matrices (or transition matrices). This approach is currently used for “top-down” stress tests exercises. Developed for Basel II, it is still relevant under the Basel III framework. It includes sufficient flexibility to accommodate the severe crisis period observed recently. The paper introduces the basic model underlying the approach, largely based on Merton’s model; it then describes carefully the different steps for its practical implementation, providing hints on how it can be extended to other banking sectors. Finally the paper comments a few outputs of a stress testing exercise.

Suggested Citation

  • O. de Bandt & N. Dumontaux & V. Martin & D. Médée, 2013. "Stress-testing banks’ corporate credit portfolio," Débats économiques et financiers 1, Banque de France.
  • Handle: RePEc:bfr:decfin:1
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    File URL: http://acpr.banque-france.fr/fileadmin/user_upload/acp/publications/Debats_economiques_et_financiers/201303-Stress-testing-banks-corporate-credit-portfolio.pdf
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    References listed on IDEAS

    as
    1. Nickell, Pamela & Perraudin, William & Varotto, Simone, 2000. "Stability of rating transitions," Journal of Banking & Finance, Elsevier, vol. 24(1-2), pages 203-227, January.
    2. Bangia, Anil & Diebold, Francis X. & Kronimus, Andre & Schagen, Christian & Schuermann, Til, 2002. "Ratings migration and the business cycle, with application to credit portfolio stress testing," Journal of Banking & Finance, Elsevier, vol. 26(2-3), pages 445-474, March.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. J. Hombert & V. Lyonnet, 2017. "Intergenerational Risk Sharing in Life Insurance: Evidence from France," Débats économiques et financiers 30, Banque de France.
    2. C. Labonne & C. Welter-Nicol, 2015. "MERCURE : Cheap Credit, Unaffordable Houses?," Débats économiques et financiers 20, Banque de France.
    3. B. Camara & F.-D. Castellani & H. Fraisse & L. Frey & C. Héam & L. Labonne & V. Martin, 2015. "MERCURE : A Macroprudential Stress Testing Model developed at the ACPR," Débats économiques et financiers 19, Banque de France.

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    More about this item

    Keywords

    credit risk; corporate; stress tests; migration matrices.;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy

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