Koo, Bonwoo; Pardey, Philip G.; Qian, Keming; Zhang, Yi - International Food Policy Research Institute (IFPRI) - 2003
Notwithstanding the ambiguous research and productivity promoting effects of plant variety protections (PVPs), even in developed countries, many developing countries have adopted PVPs in the past few years to comply with their Trade-Related Aspects of Intellectual Property Rights (TRIPS)...