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Re searchers used a randomized evaluation to measure the impact of providing mobile calling credits to low-income adults on well-being outcomes in Ghana. Overall, the mobile credit intervention increased the ability for individuals to meet unexpected communication needs, particularly when delivered...

In Cameroon, researchers evaluated the impact of various HIV prevention interventions delivered through schools on girls and young women’s exposure to risk. The interventions decreased the incidence of pregnancy (a marker for unprotected sex) in the following nine to twelve months by over 25 percent...

Researchers partnered with the Munich Opera House to conduct a randomized evaluation measuring the impact of a large-scale mail fundraising scheme on the frequency and amount of donations. While neither the presence of a lead donor nor differences in matching schemes affected the response rate to...

In Bolivia, researchers investigated whether alarm boxes, designed to both remind people to save and to keep their savings safe, could have an effect on savings rates among microfinance clients.

In western Uganda, researchers conducted a series of randomized evaluations that assessed the impact of introducing a combination of post-harvest services, training on agricultural best practices, and access to a market for high-quality maize on farmers’ productivity and profits. Researchers found...

In Uganda, researchers tested whether a school-based savings program reduced dropout rates by enabling students and their families to save for school-related expenses. A version of the program that labeled savings for educational purposes, rather than fully committing money to educational expenses...

Researchers worked with the Government of Nicaragua to evaluate the long-term impact of time-limited CCTs on education, reproductive health, and labor market outcomes. Ten years later, people whose families were offered cash transfers when they were younger children had higher labor force...