Svetlozar T. Rachev Professor of Quantitative Finance, Stony Brook University
Frank J. Fabozzi Professor of Finance, EDHEC Business School Member of EDHEC-Risk Institute
Risk management through marginal rebalancing is important for institutional investors due to the size of their portfolios.
EDHEC Working Paper
We consider the problem of marginally improving portfolio VaR and CVaR through a marginal change in the portfolio return characteristics. We study the relative significance of standard deviation, mean, tail thickness, and skewness in a parametric setting assuming a Student's t or a stable distribution for portfolio returns. We also carry out an empirical study with the constituents of DAX30, CAC40, and SMI. Our analysis leads to practical implications for institutional investors and regulators.
Created on January 13, 2012
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