Norton, G. W. (1992). Benefits of Agricultural research. Probe Newsletter, v2, (2) .National
Agricultural Library.
Norton, G.W. & Davis, J.S. (1981). Evaluating returns to agricultural research: A review.
American Journal of Agricultural Economics, 63 (4) , 683-699.
Otto, D.M. (1981). “An Economic Assessment of Research and Extension Investments in
Corn, Wheat, Soybean and Sorghum.” Unpublished Ph.D. Thesis, Virginia Polytechnical
Institute and State University, Blacksburg Virginia.
Peterson, W.L. (1966). Returns to poultry research in the United States. Unpublished Ph.D.
Thesis, University of Chicago at Chicago, Illinois.
Peterson, W.L. & Hayami, Y. (1973). “Technical Change in Agriculture. Department of
Agricultural Economics Staff Paper P73-20. University of Minnesota in St. Paul.
Peterson, W.L. & Hayami, Y. (1977). “Technical Change in Agriculture.” In L.R. Martin,
ed., A Survey of Agricultural Economics Literature. Volume 1. Minneapolis: University of
Minnesota Press.
Rose, R.N. (1980). Supply shifts and research benefits: A comment. American Journal of
Agricultural Economics, 62 (4), 834-844.
Ruttan, V.W. (1982). Agricultural Research Policy. Minneapolis: University of Minnesota
Press.
Ryan, J.G. & Davis, J.S. (1990). A Decision Support System to Assist Agricultural Research
Priority Setting: Experience at AACIAR and Possible Adaptations for the TAC/CGIAR.
ACIAR/ISNAR Project Paper No. 17. Canberra: Australian Centre for International
Agricultural Research.
Schultz, T.W. (1953) The Economic Organization of Agriculture. New York: MCGraw Hill.
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