This book documents frontier knowledge on the drivers of agriculture productivity to derive pragmatic policy advice for governments and development partners on reducing poverty and boosting shared prosperity. The analysis describes global trends and long-term sources of total factor productivity...

The private sector has assumed a larger role in developing improved technology for food and agriculture, with private agricultural R&D spending growing faster than public agricultural R&D spending over the past several decades. Major drivers have been new commercial opportunities afforded by...

Innovation and changes in technology have been a driving force for gains in productivity growth in U.S. agriculture. USDA's Economic Research Service has developed annual indexes of agricultural inputs, outputs, and total factor productivity (TFP) for 1948 through 2004. American agriculture...

Sweetpotato-pig production is an important system that generates income, utilizes unmarketable crops, and provides manure for soil fertility maintenance. This system is widely practiced from Asia to Africa, with many local variations. Within this system, pigs are generally fed a low...

The Consultative Groups on International Agricultural Research (CGIAR) funds a decentralized system of International Agricultural Research Centers. To monitor the Centers, the CGIAR has instituted a system of program and management reviews. But there is some controversy concerning the proper...