"This paper uses models of irreversible investment under uncertainty to examine the investment and abandonment behavior of poor rural households. It considers the decision of Ugandan coffee-farming households to invest in or abandon coffee trees. The observed levels of investment and abandonment...

Extreme poverty and chronic malnutrition are widespread in rural Tanzania, where smallholder agriculture dominates the economy. Given the sector's role as the main source of food and livelihood for many malnourished people, agriculture has substantial potential to reduce poverty and hunger....

"Significant changes in the agricultural sector in northern Mali suggest that irrigation has made a large contribution to welfare increases over the past eight years. Using difference-in-differences, propensity score matching, and matched difference in differences with a small panel, this study...