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Continuous partition-of-unity copulas and their application to risk management. (arXiv:1803.00957v1 [q-fin.RM])

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In this paper we discuss a natural extension of infinite discrete partition-of-unity copulas to continuous partition of copulas which were recently introduced in the literature, with possible applications in risk management and other fields. We present a general simple algorithm to generate such copulas on the basis of the empirical copula from high-dimensional data sets. In particular, our constructions also allow for positive tail dependence which sometimes is a desirable property of data-driven copula modelling, in particular for internal models under Solvency II.


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