Misc,

Stochastic Orderings of Multivariate Elliptical Distributions

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(2019)cite arxiv:1910.07158Comment: 18 pages.

Abstract

Let $X$ and $X$ be two $n$-dimensional elliptical random vectors, we establish an identity for $Ef(Y)-Ef(X)$, where $f: \BbbR^n \BbbR$ fulfilling some regularity conditions. Using this identity we provide a unified derivation of sufficient and necessary conditions for classifying multivariate elliptical random vectors according to several main integral stochastic orders. As a consequence we obtain new inequalities by applying it to multivariate elliptical distributions. The results generalize the corresponding ones for multivariate normal random vectors in the literature.

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