Various studies report that investing in “sin stocks”, that is firms which make money from human vice, such as alcohol, tobacco, gambling and weapons, has historically delivered significantly positive abnormal returns. This finding has inspired the hypothesis that sin stocks are being...

In spite of their importance, third or higher moments of portfolio returns are often neglected in portfolio construction problems due to the computational difficulties associated with them. In this paper, we propose a new robust mean–variance approach that can control portfolio skewness and...

Robust portfolios resolve the sensitivity issue identified as a concern in implementing mean–variance analysis. Because robust approaches are not widely used in practice due to a limited understanding regarding the portfolios constructed from these methods, we present an analysis of the...