Five Good Questions on Portfolio Theory with Hedge-Fund Manager Scott Vincent

Beyond the thread sense...Has anyone thought of portfolio models like Markowitz portfolio theory with other dependence structure rather than simple linear correlation coefficient and what effect such structure has on maximizing the sharp ratio? For example using more powerful measures - copula functions for dependence rather than the standard correlation matrix for shares involved...any opinions? referrals? I'm planning to do the research paper on that subject and wonder if it has previously been done...
 
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