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http://hdl.handle.net/10419/60503
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| Title: | | Validierung von Konzepten zur Messung des Marktrisikos: Insbesondere des Value at Risk und des Expected Shortfall  |
| Authors: | | Mehmke, Fabian Cremers, Heinz Packham, Natalie |
| Issue Date: | | 2012 |
| Series/Report no.: | | Working Paper series, Frankfurt School of Finance & Management 192 |
| Abstract (Translated): | | Market risk management is one of the key factors to success in managing financial institutions. Underestimated risk can have desastrous consequences for individual companies and even whole economies, not least as could be seen during the recent crises. Overestimated risk, on the other side, may have negative effects on a company's capital requirements. Companies as well as national authorities thus have a strong interest in developing market risk models that correctly quantify certain key figures such as Value at Risk or Expected Shortfall. This paper presents several state of the art methods to evaluate the adequacy of almost any given market risk model. Existing models are enhanced by in-depth analysis and simulations of statistical properties revealing some previously unknown effects, most notably inconsistent behaviour of alpha and beta errors. Furthermore, some new market risk validation models are introduced. In the end, a simulation with various market patterns demonstrates strenghts and weaknesses of each of the models presented under realistic conditions. |
| Subjects: | | Backtesting Market Risk Value at Risk Expected Shortfall Validation Alpha Error Beta Error Time Until First Failure Proportion of Failure Traffic Light Approach Magnitude of Loss Function Markow-Test Gauss-Test Rosenblatt Kuiper Kolmogorov-Smirnov Jarque-Bera Regression Likelihood Ratio Truncated Distribution Censored Distribution Simulation |
| JEL: | | C01 C02 C12 C13 C14 C15 C32 G32 G38 |
| Document Type: | | Working Paper |
| Appears in Collections: | | Frankfurt School - Working Paper Series, Frankfurt School of Finance and Management
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