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Researchers used a random lottery from oversubscribed schools to test the impact of a public school choice program on student outcomes in Mecklenburg County, North Carolina.

Many smallholder farmers in sub-Saharan Africa do not use basic agricultural technologies to improve crop quality. In the Senegal River Valley, researchers tested whether receiving advance information on a market reform—introducing quality labels for onions and selling by weight—would lead to...

Herders may change their herding practices to better sustain the land if they own rights to it, which could also translate into bigger and healthier animals, and more income for the herders. In this study, carried out near two cities in Mongolia, researchers evaluated the impact of private property...

Subsidized social media access reduced support for the ruling party among prior supporters by exposing them to perspectives critical of the government.

This study in Western Kenya will test for failures in the market for local agricultural information and measure the impact of disseminating local information on farmers’ decisions to invest in agricultural inputs.

Researchers conducted a randomized evaluation to test the impact of offering a menu of exercise programs—allowing participants to self-select into personalized step targets—on daily walking and health among adults with diabetes and hypertension in urban India. Allowing participants to choose an...

Researchers conducted two randomized evaluations in India in which they identified effective individuals for information sharing ("gossips") through word-of-mouth. They found that information was disseminated more widely when shared by individuals nominated by others in their community, rather than...