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In Western Kenya, researchers compared three different approaches to subsidizing dilute chlorine solution to treat drinking water: a partial subsidy, a twelve month supply of free chlorine through monthly vouchers, and a twelve month supply of free chlorine hand-delivered. Safe water rates were much...

In Bangladesh, researchers evaluated the impact of different selling schemes on demand for water testing, and the impact of test results on switching to a safer well. Although group test sales and well safety placards increased substantially the likelihood that households switched to a possibly...

Researchers are conducting a randomized evaluation in Chile to study the impact of altering high school students’ beliefs about the returns of college degrees on their decisions to invest in college preparation and which program they choose.

The researcher conducted a randomized evaluation in rural Tanzania to determine the impact of an SMS-based messaging app that connects agricultural workers and employers on wages. He found that the SMS-based messaging app reduced wage spread within villages–meaning employers paid a wage closer to...

Researchers are partnering with Bridge International Academies to evaluate the impact of an SMS-based information provision program on students’ learning outcomes in Kenya.

Researchers worked with an airline to test the impact of different types of information and incentives on pilots’ productivity, as measured by pilots’ implementation of fuel-saving practices. Provision of personalized targets for achieving these fuel-saving practices led pilots to implement them...

In this randomized evaluation in Zimbabwe, researchers studied how social media messages targeting misinformation can affect people’s beliefs about and responses toward Covid-19. The study found that these messages increased participants’ knowledge of Covid-19 information by 7 percentage points and...

Researchers conducted a randomized evaluation to measure the impact of an information program on parental school choice and long-term student achievement. They found that the intervention shifted household school choices of those who were not enrolled before the intervention toward establishments...