Using a comprehensive dataset of first, second and third generation commodity indices, we investigate the potential diversification benefits in equity-bond portfolios. The results show that first generation commodity indices are outperformed by enhanced indices. Second generation indices provide...

In light of the recently passed 2010 Dodd-Frank Act, we assess the effect of margin changes on prices, the risk-sharing between speculators and hedgers, and the price stability of 20 commodity futures markets. We find that margin increases decrease the rate at which prices change, yet they...