Good health is a determinant of economic growth and a component of well-being. This paper discusses and synthesizes economic models of individual and household behavior, showing how they may be used to illuminate health policy making in low-income countries. The models could help address...

The paper investigates birth weight and its correlates in Kenya using nationally representative data collected by the government in the early 1990s. I find that immunization of the mother against tetanus during pregnancy is strongly associated with improvements in birth weight. Other factors...

The paper examines effects of agricultural extension on crop yields in Kenya controlling for other determinants of yields, notably the schooling of farmers and agro-ecological characteristics of arable land. The data we use were collected by the Government of Kenya in 1982 and 1990, but the...