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Working with the Ministry of Health and Sanitation in Sierra Leone, researchers evaluated the impact of incentivizing community health workers (CHWs), their supervisors, or both on health care provision. Sharing the incentive between CHWs and their supervisors resulted in more health care visits...

In Kenya, researchers introduced a messaging campaign on matatus (local buses) to encourage individuals to speak up against reckless driving and reduce road accidents rates. Placing these stickers in the passenger area of matatus decreased insurance claims rates, average speed, and number of road...

Working with local government leaders and agricultural extension agents, the researcher is conducting a randomized evaluation to test the impact of promoting a mechanization technology. Uniquely, the researcher will closely track how employment shifts for women who formerly did the mechanized work.

Researchers conducted a randomized evaluation to test the impact of providing subsidies for a soil monitoring technology on the electricity used to pump groundwater to agricultural fields in rural Bangladesh. They found that the technology reduced the amount of electricity used for irrigation, but...

In Nigeria, researchers worked with a financial service provider to evaluate the impact of digital loans on welfare. Being approved for the loans increased subjective well-being after three months, for applicants who normally would have been denied.

Researchers evaluated the impact of targeted mailings encouraging people with criminal records to register to vote on voting behavior in North Carolina. Mailers increased both voter registration and general election turnout among people with past criminal convictions.

Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

Researchers conducted a randomized evaluation to test the impact of a video-mediated extension approach on the uptake of technologies recommended by the Ethiopian Ministry of Agriculture. The video-mediated instruction increased uptake through improved access to extension and farmer knowledge but...