Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 99 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 281-288 of 1271
Two women and two men talking near a crowded market place

Identifying Information Asymmetries in a Consumer Credit Market in South Africa

Dean Karlan
Jonathan Zinman
Researchers sought to understand different types of information asymmetries and how they relate to loan default rates in South Africa. Borrowers given high interest rates had a greater incentive to default as it was more costly to repay the loan, but there was little evidence that borrowers...
houses in Medellín, Colombia

Contesting Criminal Gang Governance in Medellin: The Impacts of Intensive Municipal Governance and Community Organization on Gang Control and Governing of Neighborhoods

Chris Blattman
Gustavo Duncan
Benjamin Lessing
Santiago Tobón
In partnership with the City of Medellín, researchers randomly introduced a program that intensified government outreach to gang-controlled neighborhoods. The study found no evidence that the city’s intervention reduced gang rule.
soccer players posing for a group picture

Inter-religious Soccer Leagues to Promote Social Cohesion in Post-ISIS Iraq

Salma Mousa
Researchers evaluated the impact of mixed Christian-Muslim soccer teams on social cohesion and interactions between these groups in an ISIS-affected area of Iraq. Christians who played on mixed teams demonstrated a higher likelihood of engaging with Muslim teammates after the league ended, but the...
A group of protestors on motorcycles

The Role of Emotions on Individuals Decisions to Join Armed Groups in Eastern Congo

Raul Sanchez de la Sierra
By leveraging a unique, long-lasting relationship with an armed organization in eastern Democratic Republic of Congo, the researcher aims to better understand who joins armed organizations and why, as well as the effect of the participation motives on performance inside the group.
Young boy carrying suitcase on his head walking along a road in Nigeria.

The Effect of Information on Irregular Migration Decisions in Nigeria

Bernd Beber
Florian Foos
Macartan Humphreys
Alexandra Scacco
Dean Yang
Researchers are evaluating the impact of providing information about the risks and outcomes of irregular migration through door-to-door campaigns and social networks on actual migration decisions in Nigeria.
Smoke emitting from tall kiln chimney

Improving Brick Manufacturing in Bangladesh to Promote Clean Air and Better Health

Shoeb Ahmed
Debashish Biswas
Nina Brooks
Aprajit Mahajan
Moogdho Mahzab
Sameer Maithel
Grant Miller
Mahbubur Rahman
M. Rofi Uddin
Researchers evaluated the impact of trainings for brick kiln owners and operators on air pollution, CO2 emissions, and kiln profitability.
Brunette woman changes energy efficient lightbulb in the United States.

The Lightbulb Paradox: Consumer Behavior and Public Policy in the U.S. Electricity Market

Hunt Allcott
Dmitry Taubinsky
Energy-efficient technologies, such as compact fluorescent lightbulbs (CFLs), have the potential to save consumers money, but their adoption remains low. Researchers evaluated the impact of information and price on demand for CFLs in two contexts: an online survey platform and a typical retail...
Woman with brown hair monitoring electricity use by checking thermostat in the United States

Real-Time Pricing to Reduce Electricity Use in the United States

During periods of high electricity use that strain the grid, electricity customers do not have any reason to conserve because they pay a fixed price per kilowatt hour of power. In this study, the researcher evaluated the impact on electricity usage of a real-time pricing scheme, which charges...