Evaluations

Researchers evaluated a voter information campaign and exploited the random assignment of reservations for women in village councils to measure the impact of information and reduced incumbent advantage on village council elections. Both interventions increased the number of candidates and drove the...

To evaluate the demand for solar electricity, researchers randomly offered solar microgrid connections at different prices to households in rural areas of Bihar, India. Demand for microgrids was highly variable and low when they were offered at market price, likely because there were several other...

In Peru, IPA and J-PAL worked with researchers and the Ministry of Education to evaluate at scale two low-cost ways of providing relevant information to help students and their families make more informed decisions. Results suggest that the programs were effective at changing educational plans and...

Researchers conducted a randomized evaluation to test the impact of boarding schools on educational outcomes and well-being for children with disadvantaged backgrounds in France. The top third of students admitted to France’s first “boarding school of excellence” had large improvements in math...

In Argentina, a researcher evaluated whether informing students of their potential could be a cost-effective way to increase motivation and improve educational outcomes among secondary school students. They found that the intervention did not impact students’ perceptions of the difficulty of school...

Researchers conducted a randomized evaluation to test the impact and cost-effectiveness of fully online and blended STEM classes in Russia on student test scores. Students in online and blended courses achieved similar scores to students in traditional in-person courses at a lower cost.

This study examines how reminders to file taxes affect tax filing decisions among low-income individuals who did not appear on a filed tax return. The results of two randomized evaluations demonstrate that one-time reminders increase tax filing—both to claim tax refunds as well as to voluntarily pay...

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...