A general approach to integrated risk management with skewed,fat-tailed risks |
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Authors: | Joshua V Rosenberg Til Schuermann |
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Institution: | Federal Reserve Bank of New York, 33 Liberty St., New York, NY 10045, USA |
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Abstract: | Integrated risk management for financial institutions requires an approach for aggregating risk types (market, credit, and operational) whose distributional shapes vary considerably. We construct the joint risk distribution for a typical large, internationally active bank using the method of copulas. This technique allows us to incorporate realistic marginal distributions that capture essential empirical features of these risks such as skewness and fat-tails while allowing for a rich dependence structure. We explore the impact of business mix and inter-risk correlations on total risk. We then compare the copula-based method with several conventional approaches to computing risk. |
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Keywords: | G11 G28 C16 |
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