Characterizing mutual exclusivity as the strongest negative multivariate dependence structure
Ka Chun Cheung and
Ambrose Lo
Insurance: Mathematics and Economics, 2014, vol. 55, issue C, 180-190
Abstract:
Mutual exclusivity is an extreme negative dependence structure that was first proposed and studied in Dhaene and Denuit (1999) in the context of insurance risks. In this article, we revisit this notion and present versatile characterizations of mutually exclusive random vectors via their pairwise counter-monotonic behaviour, minimal convex sum property, distributional representation and the characteristic function of the sum of their components. These characterizations highlight the role of mutual exclusivity in generalizing counter-monotonicity as the strongest negative dependence structure in a multi-dimensional setting.
Keywords: Mutual exclusivity; Fréchet bounds; Counter-monotonicity; Convex order; Complete mixability (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:eee:insuma:v:55:y:2014:i:c:p:180-190
DOI: 10.1016/j.insmatheco.2014.01.001
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