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Inequalities for the extremal coefficients of multivariate extreme value distributions.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>03/2002
Issue number1
Number of pages16
Pages (from-to)87-102
<mark>Original language</mark>English


The extremal coefficients are the natural dependence measures for multivariate extreme value distributions. For an m-variate distribution 2m distinct extremal coefficients of different orders exist; they are closely linked and therefore a complete set of 2m coefficients cannot take any arbitrary values. We give a full characterization of all the sets of extremal coefficients. To this end, we introduce a simple class of extreme value distributions that allows for a 1-1 mapping to the complete sets of extremal coefficients. We construct bounds that higher order extremal coefficients need to satisfy to be consistent with lower order extremal coefficients. These bounds are useful as lower order extremal coefficients are the most easily inferred from data.