An output distance function conditional on the expansion of a second output is presented. These distance functions are used to calculate distinct relative Total Factor Productivity (TFP) scores for two jointly produced products-livestock and crops for 27 countries. From these, TFP growth and...

This study evaluates the rates of return to US wheat research investment, focusing on research spillovers. Results show that research spillovers exist among various classes of wheat. Due to the spillover effects, social rates of return to research investment are substantially higher than the...

The growth of the role of agriculture as a source of energy feedstock has been primarily concentrated on increasing corn use for ethanol. Alternatively, refocusing this growth in the utilization of dedicated energy crops could prove more advantageous as producers of more crops in a wider...