Gopinath, Munisamy; Roe, Terry - In: Economics of Innovation and New Technology 9 (2000) 3, pp. 223-244
This paper computes private and social rates of return to R&D capital in the three vertically linked sectors, primary … return to R&D ranged from an average of 21.5% per annum for farm machinery to 87.5% for agriculture. The social rates of … agriculture, food processing, and the farm machinery in the United States. Using a cost function approach, the private rates of …