Productivity and efficiency are key performance indicators of improved seeds. Efficiency differences explain part of the variation in productivity. Improved seeds may affect efficiency because farmers often do not apply inputs at optimum. Improved seeds therefore not only directly affect...

There is widespread consensus that agricultural technology has an important role to play for poverty reduction and sustainable development. There is less consensus, however, about the types of technologies that are best suited for smallholder farmers in Africa. While some consider natural...