Return Interval, Dependence Structure and Multivariate Normality
AbstractWe focus on changes in the multivariate distribution of index returns stemming purely from varying the return interval, assuming daily to quarterly returns. Whereas longtailedness is present in daily returns, we find that, in agreement with a well-established idea, univariate return distributions converge to normality as the return interval is lengthened. Such convergence does not occur, however, for multivariate distributions. Using a new method to parametrically model the dependence structure implying negative asymptotic dependence in return series is the reason for the rejection of multivariate normality for low return frequencies.
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Bibliographic InfoPaper provided by Quantitative Finance Research Centre, University of Technology, Sydney in its series Research Paper Series with number 64.
Date of creation: 01 Sep 2001
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multivatiave normality; return interval; dependence structure; copula;
Find related papers by JEL classification:
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