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In Ghana, researchers evaluated the impact of providing vendors and consumers with information on official mobile money charges and options for recourse for consumers to report being overcharged. The program led to a decrease in misconduct, which in turn facilitated an increase in market activity...

Researchers are conducting a randomized evaluations to test the impact of different types of public health messaging on the practice of social distancing.

Researchers are measuring the impact of a peer information sharing strategy on people’s learning and adherence to Covid-19 health protocols. This study is part of a three-country research program in Zambia, Ghana, and the US aiming to find evidence on the most effective strategies to communicate...

This evaluation tested whether offering insurance policies that required enrollment at different group levels mitigated the risk of individuals who are more likely to need health insurance being more likely to purchase policies. When allowed to purchase insurance at the individual level, those most...

Las investigadoras diseñaron y evaluaron un programa de tutoría en línea gratuito impartido por universitarios voluntarios para mitigar los efectos del cierre de escuelas durante el Covid-19. Descubrieron que el programa tuvo un resultado positivo en los resultados de aprendizaje, las habilidades...

Training teachers to improve teacher quality and student learning is a common strategy taken by policymakers. In Nepal, researchers conducted a randomized evaluation of a government teacher training program for math and science teachers to evaluate the impact on student learning in secondary schools...

Researchers conducted an evaluation to test the impact of offering a high-amenity diagnostic consultation for cataracts at different prices on uptake of an underutilized service—cataract surgery—in Mexico. Lower prices for the high-amenity consultation increased exposure to amenities, which...

Researchers evaluated how different ways of asking questions in surveys affect workers’ likelihood of reporting harassment at a firm in Bangladesh. A survey technique that gave people plausible deniability led to workers reporting more abuses, allowing the firm to access more accurate data on the...