This paper shows that returns to education are not enough to capture all the returns to human capital. Using longitudinal data of all college graduates in Colombia, we estimate labor market returns to postsecondary degrees and to various skillsincluding literacy, numeracy, foreign language,...

The paper investigates the relationship between tax revenues and literacy level, using a panel-model approach. The dataset covers the period 1996 to 2010 and includes 123 countries. The estimations suggest that the assumed function is nonlinear, with inverted-U and U-shaped curves. More...

Teachers are the most fundamental input of students' learning. For this reason, developing teaching skills is a policy priority for most governments around the world. We experimentally evaluate the effectiveness of "Let's All Learn to Read," a one-year professional development program that...

We propose a novel framework to analyse the macroeconomic impact of noncommunicable diseases. We incorporate measures of disease prevalence into a human capital augmented production function, which enables us to determine the economic costs of chronic health conditions in terms of foregone gross...

This paper assesses the effectiveness of an intervention aimed at improving the reading skills of struggling third-grade students in Colombia. In a series of randomized experiments, students participated in remedial tutorials conducted during school hours in small groups. Trained teachers used...