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IMPORTANCE In rural India, as in many developing countries, childhood mortality remains high and the quality of health care available is low. Improving care in such settings, where most health care practitioners do not have formal training, requires an assessment of the practitioners' knowledge of appropriate care and the actual care delivered (the know-do(More)
OBJECTIVE An estimated 178 million children younger than 5 years in developing countries experience linear growth retardation and are unlikely to attain their developmental potential. We aimed to evaluate adult benefits from early childhood stimulation and/or nutritional supplementation in growth-retarded children. METHODS In Kingston, Jamaica, 129(More)
We evaluate the effects of a large nutrition programme in rural Colombia. The intervention we study is a community nursery programme that provides nutrition and child care for the children of poor households. In the first part of the paper, we use an Instrumental Variable approach to estimate the impacts of the programme on children's nutritional status and(More)
In this paper we evaluate the effect of a large nutrition programme in rural Colombia on children nutritional status, school achievement and female labour supply. We find that the programme has very large and positive impacts. Dealing with the endogeneity of treatment is crucial, as the poorest children tend to select into the programme. Methods like(More)
BACKGROUND Across sub-Saharan Africa, men's levels of HIV-testing remain inadequate relative to women's. Men are less likely to access anti-retroviral therapy and experience higher levels of morbidity and mortality once initiated on treatment. More frequent HIV-testing by men at continued risk of HIV-infection is required to facilitate earlier diagnosis.(More)
OBJECTIVE More than 200 million children globally do not attain their developmental potential. We hypothesized that a parent training program could be integrated into primary health center visits and benefit child development. METHODS We conducted a cluster randomized trial in the Caribbean (Jamaica, Antigua, and St Lucia). Fifteen centers were randomly(More)
BACKGROUND Exposure to arsenic through drinking water has been associated with impaired cognitive function in school-aged children in cross-sectional studies; however, there are few longitudinal studies and little information on effects of exposure in early life when the brain is generally most vulnerable. METHODS A longitudinal cohort study beginning in(More)
Despite the importance of principal-agent models in the development of modern economic theory, there are few estimations of these models. I recover the estimates of a principal-agent model and obtain an approximation to the optimal contract. The results show that out-of-pocket payments follow a concave profile with respect to costs of treatment. I estimate(More)