A field experiment in rural Liberia is used to study democratic participation in fragile states. Fragile states are marked by political fragmentation, local patronage systems, and voter vulnerability. To understand the effects of such conditions on democratic expression through elections, the...

This study looks at how a community event?adolescent women's economic and social empowerment -- and a family factor -- sibling sex composition?interact in shaping gender differences in preferences for competition. To do so, a lab-in-the-field experiment is conducted using competitive games...

This paper presents results from a large (43,387) nationwide randomized controlled trial in Guatemala that used reminders to promote tax compliance. The trial varied the letter received by taxpayers (individuals and firms) who had failed to pay their income tax for the 2013 tax year. Taxpayers...

The effect of increasing school resources on educational outcomes is a central issue in the debate on improving school quality. This paper uses a randomized experiment to analyze the impact of a school grants program in Senegal, which allowed schools to apply for funding for improvements of...

This paper uses a large scale field experiment in India to study attitudinal, behavioral, and cognitive constraints that stymie the link between financial education and financial outcomes. The study complements financial education with (i) participant classroom motivation with pay for...

This paper studies how self-help groups?village-based organizations designed to encourage savings, household production and social cohesion among the poor?can promote economic and social capital. The paper uses survey data and a wide array of social capital measures to assess the impact of a...

This paper studies how self-help groups?village-based organizations designed to encourage savings, household production and social cohesion among the poor?can promote economic and social capital. The paper uses survey data and a wide array of social capital measures to assess the impact of a...

Voters commonly face a choice between competent candidates and those with policy preferences similar to their own. This paper explores how electoral rules, such as district magnitude, mediate this trade-off and affect the composition of representative bodies and policy outcomes. The paper shows...

The adoption of new clinical practice patterns by medical care providers is often challenging, even when the patterns are believed to be efficacious and profitable. This paper uses a randomized field experiment to examine the effects of temporary financial incentives paid to medical care clinics...

This paper examines the sustainability of weight loss achieved through cash rewards and, for the first time, the potential of monetary incentives to prevent weight cycling. In a three period randomized controlled trial, about 700 obese persons were assigned to two treatment groups, which were...