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Folded bivariate distributions as models for magnitude correlation. (English) Zbl 1538.62172

Summary: The concept of magnitude correlation requires the use of folded bivariate distributions. However, apart from the folded bivariate normal and folded bivariate \(t\) distributions (of these two only the former has received any real applications), nothing is known about folded bivariate distributions. Here, we introduce six new folded bivariate distributions. Applications involving stock indices of ten major economies show the value of the proposed distributions.

MSC:

62H10 Multivariate distribution of statistics
62H05 Characterization and structure theory for multivariate probability distributions; copulas
62P05 Applications of statistics to actuarial sciences and financial mathematics
91G70 Statistical methods; risk measures

Software:

R
Full Text: DOI

References:

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