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Informational campaigns and price subsidies are common ways to increase the use of health products in developing countries, but little is known about the effect of combining these tools. In Zambia, researchers investigated whether households’ demand for chlorine at varying subsidy levels was...

Researchers are conducting a randomized evaluation to test the impact of emissions reductions-focused loan support to small and medium firms in Türkiye on reducing these firms’ greenhouse gas emissions and protecting firm growth.

In this randomized evaluation, researchers will test the impact of a large-scale leadership training program in India on improving school management practices and student learning. The intervention is ongoing, and results are forthcoming.

In order to assess the effects of online advertising, researchers evaluated the impact of a high volume of Facebook advertising on name recognition and favorability of political candidates. E xposure to Facebook ads did not increase recognition of a candidate’s name or increase positive assessments...

Researchers evaluated the impact of direct mail and phone calls on the turnout of Black voters in ten different states. Neither mailings nor phone calls significantly impacted voter turnout, perhaps due to the large volume of political messaging that voters had to navigate.