On approximations of Value at Risk and Expected Shortfall involving kurtosis

Matyas Barczy, Adam Dudas and Jozsef Gall

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Abstract: We derive new approximations for the Value at Risk and the Expected Shortfall at high levels of loss distributions with positive skewness and excess kurtosis, and we describe their precisions for notable ones such as for exponential, Pareto type I, lognormal and compound (Poisson) distributions. Our approximations are motivated by that kind of extensions of the so-called Normal Power Approximation, used for approximating the cumulative distribution function of a random variable, which incorporate not only the skewness but the kurtosis of the random variable in question as well. We show the performance of our approximations in numerical examples and we also give comparisons with some known ones in the literature.

Date: 2018-11, Revised 2020-12
New Economics Papers: this item is included in nep-ban, nep-ecm and nep-rmg
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Published in Communications in Statistics - Simulation and Computation 52(3), (2023), 770-794

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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:1811.06361

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