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pro vyhledávání: '"Loïc Brin"'
Publikováno v:
SSRN Electronic Journal.
Grouped t-copulas were introduced by Embrechts et al. (1999) and Fang et al. (2002) to address the inability of Gaussian copulas to model non-linear dependencies and of t-copulas to model heterogeneous tail-dependencies. These heterogeneous tail-depe
Publikováno v:
British Journal of Social Psychology. 55:195-205
This study examined whether people can detect deception after the fact if they initially accept someone's behaviour at face value but then learn that they have been duped. Fifty-four groups composed of four to six mutual friends engaged in a group di
Publikováno v:
The Journal of Operational Risk.
In risk management, t-copulas are used to model dependencies beyond Gaussian copulas as they take into account tail dependencies. A t-copula has two parameters: the correlation matrix and the degree of freedom; they are usually estimated by maximizin