Jaschke, Stefan; Stahl, Gerhard; Stehle, Richard - In: Quantitative Finance 7 (2007) 6, pp. 621-636
We present an analysis of the VaR forecasts and the P&L series of all 12 German banks that used internal models for regulatory purposes throughout the period from the beginning of 2001 to the end of 2004. One task of a supervisor is to estimate the 'recalibration factor', i.e. by how much a bank...