Innovation in agriculture differs from innovation elsewhere in the economy in several important ways. In this chapter … innovations that reduce the susceptibility of agricultural production to these uncontrolled factors. These features of agriculture …. Informal innovation and technical discovery processes characterized agriculture from its beginnings some 10,000 years ago …

here with new evidence for Brazil. During 1981-2003, varietal improvements in upland rice, edible beans, and soybeans … research corporation accounting for more than half of Brazil's agricultural R&D spending, the benefit-cost ratio would be 78 …