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Model Risk - an Agency Theoretic Approach

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  • Schlegel, Friederike
  • Hakenes, Hendrik

Abstract

In the recent financial crisis, risk management tools have been proven inadequate. Model risk, a key component of bank risk, has shown its negative impact. It seems that risk models did not cover the included risks comprehensively and were not kept up-to-date by banks, and also rating agencies. Consequently, in the aftermath of the crisis banks must adjust their models to reduce model risk. We discuss if banks undertake enough effort to improve their risk models. Furthermore, the paper deals with the optimal organizational structure of this improvement process. We take a close look at risk models of banks and discuss if banks generally invest enough effort to improve their risk models. The question of risk model innovation is analyzed from a managerial as well as from a welfare perspective in the context of a principal agent model - where the bank has to incentivize an agent to perform innovative improvement in the risk model technology.

Suggested Citation

  • Schlegel, Friederike & Hakenes, Hendrik, 2013. "Model Risk - an Agency Theoretic Approach," Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 79954, Verein für Socialpolitik / German Economic Association.
  • Handle: RePEc:zbw:vfsc13:79954
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    References listed on IDEAS

    as
    1. Gustavo Manso, 2011. "Motivating Innovation," Journal of Finance, American Finance Association, vol. 66(5), pages 1823-1860, October.
    2. Carol Alexander, 2005. "The Present and Future of Financial Risk Management," Journal of Financial Econometrics, Society for Financial Econometrics, vol. 3(1), pages 3-25.
    3. Thomas Hellmann & Veikko Thiele, 2011. "Incentives and Innovation: A Multitasking Approach," American Economic Journal: Microeconomics, American Economic Association, vol. 3(1), pages 78-128, February.
    4. Sibbertsen, Philipp & Stahl, Gerhard & Luedtke, Corinna, 2008. "Measuring Model Risk," Hannover Economic Papers (HEP) dp-409, Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät.
    Full references (including those not matched with items on IDEAS)

    More about this item

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • L22 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Organization and Market Structure

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