This is the paper U wanted, this is the abstract:
Abstract:
Copulas characterize the dependence among components of random vectors. Unlike marginaland joint distributions, which
are directly observable, the copula of a random vector is a hidden dependencestructure that links the joint distribution with its margins. Choosing a parametric copula model is thus a
nontrivial task but it can be facilitated by relying on a nonparametric estimator. Here the authors propose
a kernel estimator of the copula that is mean square consistent everywhere on the support. They determine
the bias and variance of this estimator. They also study the effects of kernel smoothing on copula estimation.
They then propose a smoothing bandwidth selection rule based on the derived bias and variance.
After confirming their theoretical findings through simulations, they use their kernel estimator to formulate
a goodness-of-fit test for parametric copula models.
jg-xs1
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