Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

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Creating Incentives to Decrease Water Waste in Zambia

Kelsey Jack
Seema Jayachandran
Sarojini Rao
Researchers partnered with a water company in Zambia to evaluate whether improved information and incentives can help households manage their water usage. They found that targeting incentives to higher household water consumers might be an effective way to reduce water consumption.
Young Carpenter in Egypt

The Impact of Stigma on Labor Market Assistance Take-Up in Egypt

Adam Osman
Jamin D. Speer
Researchers studied the impact of acknowledging and refuting stigma on take-up of labor market assistance programs. The results of three randomized evaluations indicated that mentioning stigma, even with the aim of dispelling it, generally reduced take-up of these programs.
A matching meeting with firms in Ghana

Matching Small Firms with Apprentice Workers in Ghana

Morgan Hardy
Jamie McCasland
Researchers evaluated the effects of a national apprenticeship training program on the firms that received apprentices. Firms that received apprentices increased their profits as well as employment.
Recruiter reviews three resumes at a desk with coffee and a laptop

Increasing the Demand for Workers with a Criminal Record in the United States

Zoe Cullen
Will Dobbie
Mitchell Hoffman
Workers with criminal records face substantially lower chances of securing employment compared to similar workers without such records. Researchers evaluated the effectiveness of different approaches, including wage subsidies, crime and safety insurance, past performance reviews, criminal record...
Woman in mask shopping for groceries

The Impact of Unconditional Cash Transfers on Health Outcomes in Chelsea, Massachusetts

Sumit Agarwal
Benjamin Le Cook
Jeffrey Liebman
The City of Chelsea implemented a cash transfer program called Chelsea Eats, which provided eligible households with up to US$400 per month for nine months. Researchers conducted a randomized evaluation on the impact of the unconditional cash transfer on health care utilization and a variety of...
Firm representatives sitting in conference room for an event watching speaker at podium.

Capacity-building with small and medium enterprises for emissions reductions and firm growth in Türkiye

Researchers are conducting a randomized evaluation to test the impact of emissions reductions-focused loan support to small and medium firms in Türkiye on reducing these firms’ greenhouse gas emissions and protecting firm growth.
A woman works at call center in customer service

Online Customer Discrimination against Female Workers in Sub-Saharan Africa

Erin Kelley
Gregory Lane
Matthew Pecenco
Edward Rubin
Researchers evaluated the impact of gender-based discrimination on female teleworkers’ productivity in online sales interactions with customers in Africa. When a customer chat representative had a female-sounding name, it led to significantly fewer purchases, and slower and more reserved reactions...

The Impact of Cognitive Behavioral Therapy and Cash Transfers on High-Risk Young Men in Liberia

Chris Blattman
Sebastian Chaskel
Julian Jamison
Margaret Sheridan
To understand the long-term effectiveness of CBT among adults, researchers evaluated the impact of a short-term CBT program and the distribution of unconditional cash transfers on the behavior of high-risk young men in Liberia. CBT reduced criminal behavior among participants both in the short run...