In most of Sub-Saharan Africa, agricultural extension models have become more decentralized and participatory and thus rely on effective farmer-to-farmer learning, while increasingly including nontraditional forms of education. At the same time, agricultural technologies become more complex and...

Analysis of 14 household surveys from 13 developing countries suggests that 1--2 percent of the population have disabilities. Adults with disabilities typically live in poorer than average households: disability is associated with about a 10 percentage point increase in the probability of...

Does the sex composition of existing children in a family affect fertility behavior? An unusually large data set, covering 64 countries and some 5 million births, is used to show that fertility behavior responds to the presence--or absence--of sons in many regions of the developing world. The...

Does the sex composition of existing children in a family affect fertility behavior? An unusually large data set, covering 64 countries and some 5 million births, is used to show that fertility behavior responds to the presence—or absence—of sons in many regions of the developing world. The...

Analysis of 14 household surveys from 13 developing countries suggests that 1–2 percent of the population have disabilities. Adults with disabilities typically live in poorer than average households: disability is associated with about a 10 percentage point increase in the probability of...