Smith, Blair L.; Norton, George W.; Havlicek, Joseph Jr - In: Northeastern Journal of Agricultural and Resource Economics 12 (1983) 2:
This paper illustrates differences in estimated returns to public agricultural research investments for the U.S. and the Northeast when value-added (VA) as opposed to gross production (GP) functions are estimated. Commodity groups considered are dairy, poultry, other livestock, and cash grains....