![International and Institutional R&D Spillovers: Attribution of Benefits among Sources for Brazil's New Crop Varieties]()
International and Institutional R&D Spillovers: Attribution of Benefits among Sources for Brazil's New Crop VarietiesPhilip G. Pardey, Julian M. Alston, Connie Chan-Kang, Eduardo C. Magalhães and Stephen A. Vosti · American Journal of Agricultural Economics · 2006