Further Results for a General Family of Bivariate Copulas

S. Izadkhah, H. Ahmadzade and M. Amini

Communications in Statistics - Theory and Methods, 2015, vol. 44, issue 15, 3146-3157

Abstract: A bivariate family of copulas has been initiated by Cuadras-Augé (1981) and Marshall (1996). Recently, Durante (2007) considered this family as a general family of symmetric bivariate copulas indexed by a generator function and studied some of its dependence properties. In this article, we obtain and describe further aspects of dependence for this family. For example, we have proved that the family has positive likelihood ratio dependence structure if and only if the family reduces to some well-known copulas. We also derive several proper forms for the generator function of this family. Considering a multivariate extension of the bivariate family of copulas provided by Durante et al. (2007), some dependence properties are studied. Finally, some positive dependence stochastic orderings for two random vectors having a copula from the proposed families, are discussed.

Date: 2015
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DOI: 10.1080/03610926.2013.824100

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