We use a field experiment in Tanzania to compare the effectiveness on learning of two teacher performance pay systems. The first is a Pay for Percentile system (a rank-order tournament). The second rewards teachers based on multiple proficiency thresholds. Pay for Percentile can (under certain...

We use a field experiment in Tanzania to compare the effectiveness on learning of two teacher performance pay systems. The first is a Pay for Percentile system (a rank-order tournament). The second rewards teachers based on multiple proficiency thresholds. Pay for Percentile can (under certain...

Factorial designs are widely used for studying multiple treatments in one experiment. While "long" model t-tests provide valid inferences, "short" model t-tests (ignoring interactions) yield higher power if interactions are zero, but incorrect inferences otherwise. Of 27 factorial experiments...

We use a lab-in-the-field experiment to examine the effectiveness of accountability systems that rely on patient reporting in Kenyan health clinics. We recruit patients and health care providers from public and private health clinics to play a series of modified Trust Games. In the game,...

We use a lab-in-the-field experiment to examine the effectiveness of accountability systems that rely on patient reporting in Kenyan health clinics. We recruit patients and health care providers from public and private health clinics to play a series of modified Trust Games. In the game,...

This paper examines the effects of a government-sponsored apprenticeship training program designed to address high levels of youth unemployment in Ghana. The study exploits randomized access to the program to examine the short-run effects of apprenticeship training on labor market outcomes. The...