Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 98 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 25-32 of 1266

The Role of Exposure, Social Networks and Marketing Messages in Households' Willingness to Pay for Malaria Prevention in Kenya

This study evaluated the impact of subsidies and two different marketing messages on the take-up of insecticide-treated bed nets by rural households. Take-up did not vary with the framing of marketing messages but was highly sensitive to changes in price. Gaining access to a highly subsidized bed...

Reducing Anemia Through Iron Fortification of Grain in Udaipur, India

Researchers in Udaipur, India, evaluated the impact of a village-level iron fortification program on the physical health of local families in 134 villages. Despite high take-up rates at the beginning of the study, overall take-up rates fell by the end of the evaluation. Results showed a significant...

Household Water Connections in Tangier, Morocco

Researchers conducted a randomized evaluation to look at the effect of private connections in a setting where most households already had access to high-quality water through public taps. They found that households had a high willingness to pay for piped water, and while home water connection had no...

Delivering Clean Water to Households in India

Fiona Burlig
Amir Jina
More than two billion people around the world lack access to clean drinking water, and current approaches to increasing access have fallen short. Researchers conducted a randomized evaluation to test the impact of delivering clean water directly to households on the valuation of clean water, and...

Empowering Female Migrant Workers to Access Quality Overseas Placement Services in Indonesia

Researchers conducted a randomized evaluation to test the impact of providing information about the quality of migration agencies to potential migrants on migration choices and welfare. Information reduced the rate of migration in the short term, which lowered workers’ use of low-quality agencies...

Providing High-Quality Online Lesson Plans to Improve Student Learning in the United States

Researchers evaluated the impact of providing teachers with access to high-quality online lessons and implementation support on student achievement in mathematics. Providing teachers with access to the lessons, reminders, and implementation support significantly increased student achievement.

High Hopes: Saving for High School with a Mobile-Money Lock-Box in Kenya

In Kenya, researchers partnered with a telecom operator to evaluate the impact of a commitment savings account, called the “High Hopes” Lock-Savings Account, on account usage, savings and loans, and school enrollment. The study found that many parents used the accounts–usage rates increased by about...

The Impact of Government Subsidies on Private Secondary School Performance in Uganda

Felipe Barrera-Osorio
Pierre De Galbert
Shwetlena Sabarwal
Researchers partnered with the Ugandan government to evaluate the impact of a public private partnership (PPP) program with low-cost private secondary schools on absorbing large increases in secondary school enrollment in Uganda. The PPP program led to both greater private school enrollment and...