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Conditional Value-at-Risk and Average Value-at-Risk: Estimation and Asymptotics

Chun, So Yeon and Shapiro, Alexander and Uryasev, Stan (2011): Conditional Value-at-Risk and Average Value-at-Risk: Estimation and Asymptotics. Forthcoming in:

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Abstract

We discuss linear regression approaches to estimation of law invariant conditional risk measures. Two estimation procedures are considered and compared; one is based on residual analysis of the standard least squares method and the other is in the spirit of the M-estimation approach used in robust statistics. In particular, Value-at-Risk and Average Value-at-Risk measures are discussed in details. Large sample statistical inference of the estimators is derived. Furthermore, finite sample properties of the proposed estimators are investigated and compared with theoretical derivations in an extensive Monte Carlo study. Empirical results on the real-data (different financial asset classes) are also provided to illustrate the performance of the estimators.

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