While economic growth has lifted more people from poverty than in any prior period, world market shocks of the 1970s and 1980s have caused a massive realignment in country policies, and future growth in population and income are expected to place heavy burdens on world resources. Recently, it...

This paper focuses on the private and social rates of return to R&D capital in the three vertically linked sectors, primary agriculture, food processing, and farm machinery and equipment. Evidence supporting a divergence between these rates is found for primary agriculture and food processing....