We analyze evidence from 10 at-scale field experiments in four countries on the effect of inquiry- and problem-based pedagogy (IPP) on students' math and science test scores. IPP creates active problem solving opportunities in settings that derive meaning to the child. Students learn by...

This paper provides experimental evidence for the impact of home internet access on a broad range of child outcomes in Peru. Children who were randomly chosen to receive laptops with high-speed internet access are compared with i) those who did not receive laptops and ii) those who only received...

A booming literature has argued that mission-based motives are a central feature of mission-oriented labor markets. This paper shifts the focus to task-based motivation and finds that it yields significantly more effort than mission-based motivation. Moreover, in the presence of significant task...

We study the effect of different types of barriers to innovation (financial, demand, knowledge, market, cooperation, and regulatory barriers) on firm level innovation inputs and outputs. Using a pooled sample of three Chilean innovation surveys, based on an instrumental variables approach, we...

Maintaining high standards of care from doctors, nurses and other health professionals is of critical importance for an effective and efficient health system. Yet deficient levels of health worker performance, including low effort, absenteeism, and lack of compliance with clinical guidelines,...

Investments in public transit infrastructure in Latin America and the Caribbean often aim to reduce spatial and social inequalities by improving accessibility to jobs and other opportunities. The Metropolitano, Lima's BRT project at inception, had, as one of its central goals, to connect low...

Despite the growing interest in and proliferation of Bus Rapid Transit (BRT) systems around the world, their causal impacts on labor market outcomes remain unexplored. Reduced travel times for those who live near BRT stations or near feeder lines, may increase access to a wider array of job...

We study the determinants of math achievement among children in early elementary school using data from a unique experiment in which children were randomly assigned to classrooms within schools for four consecutive grades. As a result, each child in our sample was exposed to four separate,...

This paper explores the impact of a livestock transfer program , that targeted small - holder female farmers with high levels of food insecurity in Nicaragua . For this purpose, the three dimensions of food security are assessed (i.e. access, availability and food use ) . The analysis uses a...

This paper studies the effects of areal cable cars on mode of transport, time use and employment in the metropolitan area of La Paz, Bolivia. Using an instrumental variables approach, we estimate local average treatment effects of cable car use for residents who use the system due to proximity...