Systemic risk measures: The simpler the better? |
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Authors: | María Rodríguez-Moreno Juan Ignacio Peña |
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Institution: | 1. European Central Bank, Neue Mainzer Strasse 66, 60311 Frankfurt am Main, Germany;2. Universidad Carlos III de Madrid, Department of Business Administration, C/Madrid 126, 28903 Getafe, Madrid, Spain |
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Abstract: | This paper estimates and compares two groups of high-frequency market-based systemic risk measures using European and US interbank rates, stock prices and credit derivatives data from 2004 to 2009. Measures belonging to the macro group gauge the overall tension in the financial sector and micro group measures rely on individual institution information to extract joint distress. We rank the measures using three criteria: (i) Granger causality tests, (ii) Gonzalo and Granger metric, and (iii) correlation with an index of systemic events and policy actions. We find that the best systemic measure in the macro group is the first principal component of a portfolio of Credit Default Swap (CDS) spreads whereas the best measure in the micro group is the multivariate densities computed from CDS spreads. These results suggest that the measures based on CDSs outperform measures based on interbank rates or stock market prices. |
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Keywords: | C32 G01 G15 G21 |
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