We assess long-run patterns of global agricultural productivity growth between 1970 and 2005 and examine the relationship between investments in technology capital and productivity. To measure agricultural total factor productivity (TFP) we employ a Solow-type growth accounting method to...

There has been considerable debate but little empirical analysis among academics, policy makers, and civil society about whether intellectual property rights would induce private research in developing countries. China passed its plant variety protection act (PVPA) in 1997 which allowed us to do...