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Dependence properties of multivariate max-stable distributions

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<mark>Journal publication date</mark>09/2014
<mark>Journal</mark>Journal of Multivariate Analysis
Volume130
Number of pages7
Pages (from-to)134-140
<mark>State</mark>Published
Early online date14/05/14
<mark>Original language</mark>English

Abstract

For an m-dimensional multivariate extreme value distribution there exist 2m−1 exponent measures which are linked and completely characterise the dependence of the distribution and all of its lower dimensional margins. In this paper we generalise the inequalities of Schlather and Tawn (2002) for the sets of extremal coefficients and construct bounds that higher order exponent measures need to satisfy to be consistent with lower order exponent measures. Subsequently we construct nonparametric estimators of the exponent measures which impose, through a likelihood-based procedure, the new dependence constraints and provide an improvement on the unconstrained estimators.