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calculated using an invariance principle for the sequential empirical copula process. The limit distribution is free of nuisance …
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A test for structural break based on quantile regressions (QR) reveals the impact of a break in the tails of the conditional distribution, unveiling an opposite behavior in the tails that balances at the mean and that cannot be found using OLS. By repeatedly computing the QR test it is possible...
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in stationary Markov chains using copula functions. We obtain sucient conditions for a geometric rate of mixing in models … tail dependence in the copula function. Geometric rho-mixing is obtained under a weaker condition that permits both … of this kind. Geometric beta-mixing is established under a rather strong sucient condition that rules out asymmetry and …
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in stationary Markov chains using copula functions. We obtain conditions that imply a geometric rate of mixing in models … and tail dependence in the copula function. Rho-mixing, which implies a geometric rate of alpha-mixing, is obtained under … of this kind. A geometric rate of beta-mixing is shown to obtain under a rather strong condition that rules out asymmetry …
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