Do expected asset returns vary through time? Why do some assets exhibit higher average returns than others? How can factors that drive expected returns in the time series be linked to factors that explain the cross-sectional dispersion in average returns? How do these findings affect...

Previous research suggests that monthly commodity futures returns are like equity returns and recommend long-only portfolio positions. A follow-up question is whether the distributions of daily returns on commodity futures are fat-tailed, just like equity returns. This question has important...