The past 50-100 years have witnessed dramatic changes in agricultural production and productivity, driven to a great extent by public and private investments in agricultural research, with profound implications especially for the world's poor. In this article, we first discuss how the...

Agricultural research has transformed agriculture and in doing so contributed to the transformation of economies. Economic issues arise because agricultural research is subject to various market failures, because the resulting innovations and technological changes have important economic...

This paper begins with a review of the methods and assumptions used to measure capital service flows. Two data series on capital inputs in U.S. agriculture are briefly described and compared. We show that measures of capital services are sensitive to the treatment of interest rates. Notably, the...

This volume offers substantive clarification of the proper roles for public agricultural research and development (R&D) throughout Latin America and the Caribbean (LAC) and introduces an analytical framework for assessing cross-country collective action in funding and carrying out research. To...

Replaced with revised version of paper 07/22/11. Former Title: Revisiting the Returns to U.S. Public Agricultural Research: New Measures, Models, Results, and Interpretation

Estimated rates of return to research are distorted by problems of attributing the credit for particular research results, or for particular research-induced productivity increases, among research expenditures undertaken at different times, in different places, and by different agencies. A...