The study estimates the impact of road investments on overall economic growth, rural and urban growth, and rural and urban poverty reduction. To achieve these goals, an econometric model that captures the different channels through which road investment impacts growth and poverty is developed...

Reported rates of return to agricultural R&D are generally high, but they are likely to be biased, particularly because of attribution problems—mismatching research benefits with costs. The importance of attribution biases is illustrated here with new evidence for Brazil. During 1981–2003,...

This paper uses state data to analyze the impact of agricultural research on reducing urban poverty in India from 1970 to 1995. In addition to substantially reducing rural poverty, agricultural research investments have played a major role in the reduction of urban poverty. Agricultural research...