Evaluations

Researchers evaluated two approaches to improving the quality of Colombian preschools. Providing additional resources to preschools for materials and new staff did not benefit children’s development and, unintentionally, led teachers to reduce their involvement in classroom activities. However, the...

Researchers evaluated whether the ethnicities of wholesale buyers and sellers in Chennai, India, affected the transaction terms. They found that traders offered lower prices to buyers of the same ethnicity, but not necessarily because they trusted them more.

This evaluation measured the determinants of insurance enrollment as well as the impacts of having insurance for informal sector workers by randomly varying the costs and convenience of signing up for a government health insurance program available to formal and informal sector workers in Nicaragua...