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)...

This study, based on the data of China's agricultural census of 1997, focuses on the land distribution among rural households and its effects on crop production structure and employment of labor and capital. The Census data show that the size of holdings surprisingly differs among households,...