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This paper solves the robust portfolio selection problem with spectral risk measures under mixture R-vine copula … uncertainty. Spectral risk measures are used to capture investors’ subjective risk aversion while R-vine copula change …-point detection is employed to better construct mixture R-vine copula uncertainty. We introduce worst-case spectral risk measures …
Persistent link: https://www.econbiz.de/10014353602
, there is much arbitrariness in their choice. The author proposes “a natural copula” concept, which minimizes Wasserstein … hydrodynamic interpretation are discussed with two examples of distributions of financial significance. A natural copula can be …
Persistent link: https://www.econbiz.de/10014355077
Gaussian copula approach. This problem occurs when the endogenous regressor is nearly normally distributed and, thus, is highly … correlated with its copula transformation term of the augmented regression controlling for the endogeneity problem. Based on a …
Persistent link: https://www.econbiz.de/10014356987
bivariate copula families in regular vines of a pair copula construction. Thus, we have explored various common vines copula …-based models and their structures for selected cryptocurrency trading index volumes. We found the bivariate Gumbel copula model …
Persistent link: https://www.econbiz.de/10014362172
In this study, we analyse a large sample of Egyptian social pension data which covers, by law, the policyholder's spouse, children, parents and siblings. This data set uniquely enables the study and comparison of pairwise dependence between multiple familial relationships beyond the well-known...
Persistent link: https://www.econbiz.de/10014233104
Highlights:• State-of-art review of vine copulas and stationary vine copulas.• Two types of vine copula models to …
Persistent link: https://www.econbiz.de/10014236313
volatility and technology stocks on the U.S. market using the copula modeling approach. Results demonstrate strongly negative …. The 270° rotated Gumbel copula is chosen as the best fitting model. The observed dependence is in line with stylized facts …
Persistent link: https://www.econbiz.de/10014239024
copula is then applied to the marginal distributions to capture the dependence between the exchange rates. The empirical …
Persistent link: https://www.econbiz.de/10014241920
Persistent link: https://www.econbiz.de/10014338800
Persistent link: https://www.econbiz.de/10014429264