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In partnership with the Polish Tax Office, researchers conducted a nation-wide randomized evaluation to test the impact of sending tax enforcement letters with behavioral messages on tax compliance among delinquent taxpayers. The results indicate that behavioral letters significantly improved tax...

Researchers evaluated the impacts of increased exposure to financial markets on participants’ financial literacy and investment behavior in Israel, and found it reduced the gender gap in financial literacy and confidence. They found that engaging in financial markets increased participants'...

Low-income populations throughout the world often consume very few calories. At the time of this intervention in 2013, over 800 million people globally consumed fewer calories than were recommended to maintain a healthy weight. However, the impact of low caloric intake on economic productivity is...

Researchers provided small one-time grants to microenterprises in Sri Lanka to measure the impact of the additional capital on business profits two and five years later. They found that cash and in-kind grants increased business profits for male owners in the short and long term, but did not lead to...

Researchers varied patients’ information about a discount on treatment for simple malaria and measuring take-up of treatment to identify the factors driving overtreatment. While patient pressure on doctors in response to the discount led to excess prescription of antimalarials, there was no evidence...

Researchers conducted a randomized evaluation to evaluate the impact of computer-assisted learning (CAL) on student test scores. The CAL program improved students’ math and language test scores, but increasing the time students spent on CAL did not lead to additional gains.

Researchers evaluated the impact of Boston’s Summer Youth Employment Program, which uses a lottery to provide youth with part-time work and skills training during the summer, on students’ educational outcomes. The program significantly increased high school graduation rates among participating...

Researchers provided educational flipcharts to 89 randomly selected Kenyan primary schools and evaluated their impact on student learning, comparing retrospective and prospective estimates. In the prospective study, the estimated impact of flipcharts on student test scores was found to be close to...