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A large charitable organization in the United States conducted a series of direct mail appeals for donations using different identity primes in 2009-2010. Researchers found that priming a potential donor’s identity as either a previous donor to charity or as a member of their local community...

Researchers leveraged data from a randomized evaluation conducted by a large bank in Mexico to test the impact of varying credit card contract terms on loan default, card cancellation rates, and bank revenue for first-time formal sector borrowers. Variations in the interest rate and minimum payment...

Researchers studied whether financial incentives offered to elementary school students could increase standardized test scores. Students who were eligible to win gift certificates had higher math scores and read more.

The researcher used a randomised evaluation in Kenya and Uganda to study the impact of varying access to information about prices in buying and selling markets, and encouraged informal traders to enter new markets and take advantage of price differences.

Recent studies have found that summer youth employment programs appear to generate large declines in the rates of violent crime—a significant finding for urban policymakers seeking to create safer, more vibrant cities.

In Northern Ghana, researchers tested whether providing information could encourage mothers to talk more with their infants, thereby improving child development. Six to eight months after the intervention, mothers who received the information reported they were more likely to talk to their infants...

Researchers shared information on students’ relative academic standing among university students in Spain to evaluate the impact of this information on student performance and satisfaction. Providing students with information on their relative standing led to a short-term decrease in academic...