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Those self-employed in microenterprises, who often report low profits and own few assets, account for fifty percent of the labor force in low-income countries. Researchers are conducting a randomized evaluation to test the effect of relieving constraints to microenterprise relocation on business...

Researchers introduced a mobile phone-based agricultural extension service to evaluate its impact on knowledge and adoption of effective farming methods among cotton farmers in Gujarat, India. They found that the service was highly effective in nudging farmers to adopt a number of recommended...

In Peru, researchers evaluated the impact of a tailored inquiry- and problem-based learning approach on preschoolers’ performance in math. The program improved overall mathematics outcomes, which persisted for some content areas even one year after the program ended.

To study the effect of increased social pressure on turnout, researchers sent households one of four randomly selected mailings eleven days before Michigan’s August 2006 primary election. All four mailings increased turnout, but informing households of their neighbors’ past voting records raised...

To evaluate potential methods of increasing voter participation, researchers examined the effect of a simple nonpartisan leaflet (e.g., a printed card) on voter turnout in the 1998 general election in the US city of Hamden, Connecticut. The card had no impact on turnout of voters registered with one...

Researchers conducted a randomized evaluation in Zambia to test the impact of a peer-based information campaign, consisting of SMS messages and small cash incentives, on people’s adherence to Covid-19 health protocols. Participants forwarded public health SMSs when they were encouraged to do so, yet...