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Researchers introduced text message reminders to evaluate their effect on Kenyan patients taking their antiretrovirals consistently and not skipping doses. Patients who received weekly text messages were more likely to take their medicine 90 percent of the time and were less likely to skip doses for...

Centering on one native Amazonian society (Tsimane’) and partnering with a Bolivian non- profit, researchers evaluated the impact of providing Tsimane’ households with lockboxes on their savings activity, consumption, and well-being. Providing lockboxes increased household financial assets but had...

Researchers conducted a randomized evaluation to test the impact of two different performance-based incentives on students’ test scores, motivation, and behavior in Malawi. They find that tournament-style incentives that rewarded the top performers among a large group lowered test scores and student...

Researchers in Kenya issued a questionnaire to firms which may have made lost sales and profits due to poor change management became more salient. A second intervention more explicitly emphasized the costs of having insufficient change. Highlighting the importance of carrying correct change helped...

Trade credit, which is usually provided by up-stream suppliers to down-stream firms, can help small businesses to purchase non-perishable goods for resale and free up resources for other uses. However, provision of trade credit may be limited by high transaction costs, up-stream liquidity...

Researchers examined the effect of radio advertisements on electoral competition through a randomized evaluation and found that radio advertisements that stated the names of both incumbents and challengers, reminded listeners about the date of the upcoming election, and encouraged them to vote...