Craig, Barbara J.; Pardey, Philip G.; Roseboom, Johannes - In: American Journal of Agricultural Economics 79 (1997) 4, pp. 1064-1076
In this paper, we present measures of land and labor productivity for a group of ninety-eight developed and developing countries using an entirely new data set with annual observations spanning the past three decades. The substantial cross-country and intertemporal variation in productivity in...