The estimation of portfolio value-at-risk (VaR) requires a good estimate of the covariance matrix. As it is well known that a sample covariance matrix based on some historical rolling window is noisy ...
A total of 1415 Italian individuals (705 men and 710 women) aged 40–74 years from a population-based survey carried out in the town of Bollate (Milan). Analysis of covariance was used to refine and ...
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