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The joint distribution of stock returns is not elliptical
joint distribution stock returns elliptical
2010/10/21
Using a large set of daily US and Japanese stock returns, we test in detail the relevance of Student models, and of more general elliptical models, for describing the joint distribution of returns. W...
Tails of correlation mixtures of elliptical copulas
Copula tail dependence penultimate tail dependence stochastic correlation Gaussian copula t -copula stock market return
2010/11/3
Correlation mixtures of elliptical copulas arise when the correlation parameter is driven itself by a latent random process. For such copulas, both penultimate and asymptotic tail dependence are much ...