We evaluate the large scale pilot of an innovative and major welfare intervention in Colombia, which combines homes visits by trained social workers to households in extreme poverty with preferential access to social programs. We use a randomized control trial and a very rich dataset collected...

A key challenge in developing countries interested in providing early childhood development programs at scale is whether these programs can be effectively delivered through existing public service infrastructures. We present the results of a randomized experiment evaluating the effects of a...

Children's experiences during early childhood are critical for their cognitive and socio-emotional development, two key dimensions of human capital. However, children from low income backgrounds often grow up lacking stimulation and basic investments, leading to developmental deficits that are...