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A Generalized Extreme Value Approach to Financial Risk Measurement

A Generalized Extreme Value Approach to Financial Risk Measurement This paper develops an unconditional and conditional extreme value approach to calculating value at risk (VaR), and shows that the maximum likely loss of financial institutions can be more accurately estimated using the statistical theory of extremes. The new approach is based on the distribution of extreme returns instead of the distribution of all returns and provides good predictions of catastrophic market risks. Both the in‐sample and out‐of‐sample performance results indicate that the Box–Cox generalized extreme value distribution introduced in the paper performs surprisingly well in capturing both the rate of occurrence and the extent of extreme events in financial markets. The new approach yields more precise VaR estimates than the normal and skewed t distributions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Money, Credit and Banking Wiley

A Generalized Extreme Value Approach to Financial Risk Measurement

Journal of Money, Credit and Banking , Volume 39 (7) – Oct 1, 2007

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References (46)

Publisher
Wiley
Copyright
Copyright © 2007 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0022-2879
eISSN
1538-4616
DOI
10.1111/j.1538-4616.2007.00081.x
Publisher site
See Article on Publisher Site

Abstract

This paper develops an unconditional and conditional extreme value approach to calculating value at risk (VaR), and shows that the maximum likely loss of financial institutions can be more accurately estimated using the statistical theory of extremes. The new approach is based on the distribution of extreme returns instead of the distribution of all returns and provides good predictions of catastrophic market risks. Both the in‐sample and out‐of‐sample performance results indicate that the Box–Cox generalized extreme value distribution introduced in the paper performs surprisingly well in capturing both the rate of occurrence and the extent of extreme events in financial markets. The new approach yields more precise VaR estimates than the normal and skewed t distributions.

Journal

Journal of Money, Credit and BankingWiley

Published: Oct 1, 2007

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