Tailoring instruction to each student’s needs can produce significant learning gains. However, few programs have successfully implemented this approach. In this paper, we present the results of a randomized evaluation of a program that uses an inquiry with an individualized scaffolding...

Conditional Cash Transfer (CCT) programs are important anti-poverty programs in Latin America and the Caribbean. There is little evidence, however, of the effectiveness of ongoing CCT programs several years after they have begun. Such evidence is particularly relevant for policymakers because...

This paper describes a policy experiment implemented in Costa Rica to increase learning during the COVID-19 pandemic. The experiment provided parents of preschool students with text messages to support their children's learning at home. After 15 weeks of intervention, the cognitive skills of...

We comment on the work of Hanushek et al. (2015) and show that returns to skills are very heterogeneous and depend crucially on the tasks performed in the workplace, in line with the critique by Acemoglu and Autor (2011). Depending on the type of tasks performed at work, as well as on...