Commodity Derivatives: A Guide for Future Practitioners describes the origins and uses of these important markets. Commodities are often used as inputs in the production of other products, and commodity prices are notoriously volatile. Derivatives include forwards, futures, options and swaps;...

This new two-year study of low-income New York City students in grades 3 to 6 who received vouchers to attend private schools shows no significant difference in test scores between the scholarship group and the control group. It also finds that students performed about the same on standardized...