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Capital Regulation and Tail Risk

Author

Listed:
  • Mr. Enrico Camillo Perotti
  • Mr. Lev Ratnovski
  • Mr. Razvan Vlahu
Abstract
The paper studies risk mitigation associated with capital regulation, in a context where banks may choose tail risk asserts. We show that this undermines the traditional result that high capital reduces excess risk-taking driven by limited liability. Moreover, higher capital may have an unintended effect of enabling banks to take more tail risk without the fear of breaching the minimal capital ratio in non-tail risky project realizations. The results are consistent with stylized facts about pre-crisis bank behavior, and suggest implications for the optimal design of capital regulation.

Suggested Citation

  • Mr. Enrico Camillo Perotti & Mr. Lev Ratnovski & Mr. Razvan Vlahu, 2011. "Capital Regulation and Tail Risk," IMF Working Papers 2011/188, International Monetary Fund.
    • Handle: RePEc:imf:imfwpa:2011/188
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    References listed on IDEAS

    as
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    WP; capital ratio; project choice; recapitalization decision; bank capital; Capital Regulation; Tail Risk; Risk Management; Financial Innovation; adjustment cost; recapitalization cost; adjustment effect; capital requirement; risk profile; Capital adequacy requirements; Countercyclical capital buffers; Bank regulation;
    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

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