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Cyclicality in Catastrophic and Operational Risk Measurements

Authors: Allen, Linda
Bali, Turan G.
Keywords: operational risk;catastrophic risk;value at risk;extreme value theory;skewed fat tailed distribution
Issue Date: Sep-2004
Series/Report no.: FIN-04-019
Abstract: Using equity returns for financial institutions we estimate both catastrophic and operational risk measures over the period 1973-2003. We find evidence of cyclical components in both the catastrophic and operational risk measures obtained from the Generalized Pareto Distribution and the Skewed Generalized Error Distribution. Our new, comprehensive approach to measuring operational risk shows that approximately 18% of financial institutions’ returns represent compensation for operational risk. However, depository institutions are exposed to operational risk levels that average 39% of the overall equity risk premium. Moreover, operational risk events are more likely to be the cause of large unexpected catastrophic losses, although when they occur, the losses are smaller than those resulting from a combination of market risk, credit risk or other risk events.
Appears in Collections:Finance Working Papers

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