Federal ID: 91-6001537
ISSN: 0022-1090 (Print) | 1756-6916 (Online)
Optimal Portfolio Choice with Fat Tails and Parameter Uncertainty
Raymond Kan and Nathan Lassance ♦ Existing portfolio combination rules that optimize the out-of-sample performance under parameter uncertainty assume multivariate normally distributed returns. However, we show that this assumption is not innocuous because fat tails in returns lead to poorer…