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Researchers partnered with Opportunity International Savings and Loans Limited (OISL) to conduct a randomized evaluation to test the impact of high-frequency interactive voice response (IVR) calls on people’s use of mobile banking services and their financial behaviors in Ghana. People who received...

Despite recent economic growth in Bangladesh, food insecurity remains widespread. Researchers evaluated the impact of an agricultural training program for farmer groups on technology adoption in rural Bangladesh, and investigated what drives adoption and who is affected by the training, both...

In Ethiopia, researchers conducted a randomized evaluation to assess the impact of behavioral nudges on household behaviors, like grain and flour storage, cooking, and consumption, as well as on childhood nutrition. They found that households improved grain storage and cooking practices, and...

Researchers conducted a randomized evaluation to assess the role of employer behavior in generating "negative duration dependence"—the adverse effect of longer unemployment spells—by sending fictitious resumes to real job postings in 100 U.S. cities. Callback rates declined sharply over the first...

In KwaZulu-Natal, researchers are measuring the impact of the Six Bricks program, which promotes structured play using manipulative bricks combined with a set of carefully designed pedagogical activities, on preschoolers' executive function skills.

Researchers conducted a randomized evaluation of incentives for motorcycle taxi drivers to pay the legal road tolls in the Democratic Republic of the Congo. Results suggest that financial incentives reduced bribery by seven to ten percentage points.

Researchers conducted a randomized evaluation during the 2018 property tax collection campaign to test the impact of delegating tax collection to local chiefs. Where local chiefs collected taxes, households were more tax compliant than where state collectors collected, mainly because chiefs had...