Alston, Julian M.; Marra, Michele C.; Pardey, Philip G.; … - In: Australian Journal of Agricultural and Resource Economics 44 (2000) 2
A total of 289 studies of returns to agricultural R&D were compiled and these provide 1821 estimates of rates of return. After removing statistical outliers and incomplete observations, across the remaining 1128 observations the estimated annual rates of return averaged 65 per cent overall —...
