Aggregated rate of return to agricultural research

Social returns to rice research in the Philippines: Domestic benefits and foreign spillover
1978 Flores-Moya, P., R.E. Evenson, and Y. Hayami.
Social returns to rice research.
1978 Evenson, R. E., and P. Flores.
Development and Spread of High Yielding Varieties of Wheat and Rice in the less Developed Nations.
1978 Dalrymple, D.G.
Measuring the Green Revolution: The impact of research on wheat and rice production.
1975 Dalrymple, D. G.
Efficiency and Equity in Public Research: Rice Breeding in Japan's Economic Development.
1975 Akino, M., and Y. Hayami.
Research costs and social returns: hybrid corn and related innovations.
1958 Griliches, Z.