The Cost of Conservatism: Extreme Returns, Value-at Risk, and the Basle Multiplicaiton Factor
We argue that most current methodologies for value-at-risk (VaR) underestimate the VaR, and are therefore ill-suited for market risk capital. Better VaR methods are available, such as the tail-fitting method proposed here. However, financial institutions may be relctant to use those mehtods since current market risk regulations may, perversely, provide incentives for banks to underestimate the VaR.
References listed on IDEAS
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- Paul H. Kupiec & James M. O'Brien, 1997. "The pre-commitment approach: using incentives to set market risk capital requirements," Finance and Economics Discussion Series 1997-14, Board of Governors of the Federal Reserve System (U.S.).