Showing 1 - 10 of 2,617
calculated using an invariance principle for the sequential empirical copula process. The limit distribution is free of nuisance …
Persistent link: https://www.econbiz.de/10010776987
The paper presents the research results on detection of structural breaks in copula models of multivariate time …
Persistent link: https://www.econbiz.de/10009018538
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...
Persistent link: https://www.econbiz.de/10010608292
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 …
Persistent link: https://www.econbiz.de/10010536467
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 …
Persistent link: https://www.econbiz.de/10010817527
This paper considers robust estimation of moment condition models with time series data. Researchers frequently use moment condition models in dynamic econometric analysis. These models are particularly useful when one wishes to avoid fully parameterizing the dynamics in the data. It is...
Persistent link: https://www.econbiz.de/10011095219
A semiparametric method is developed for estimating the dependence parameter and the joint distribution of the error term in the multivariate linear regression model. The nonparametric part of the method treats the marginal distributions of the error term as unknown, and estimates them by...
Persistent link: https://www.econbiz.de/10005125276
This paper examines the marginal distributions of stocks and bonds, and a copula between the movement of stock prices … risk of an aggregated portfolio, a copula is utilized for risk aggregation, which captures various dependencies in the … median and the tail of marginal distributions, unlike a linear correlation. In this study, various types of copula, including …
Persistent link: https://www.econbiz.de/10010907527
Copulae became an extremely popular tool in different areas of research. Since the first applications in risk …
Persistent link: https://www.econbiz.de/10011015653
distributions. A promising class of models is that of hierarchical Archimedean copulae (HAC), which allows for non-exchangeable and …
Persistent link: https://www.econbiz.de/10011015731