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 1-8 of 1288
Road under construction

Economic Returns to Street Paving in Mexico

Marco Gonzalez-Navarro
Climent Quintana-Domeque
Many urban areas in developing countries lack basic services such as piped water, electricity, sewage lines, and paved roads. Researchers analyzed the effect of paving streets in residential areas in Mexico on the living standards of adjacent households. Street paving increased property values...
Woman in sitting in a medical office talking to her doctor

The Impact of Contraceptive Subsidies for Individuals in the United States

Martha Bailey
Jennifer Barber
Lea Bart
Vanessa Dalton
Daniel Eisenberg
Paula Fomby
Vanessa Lang
Alexa Prettyman
Iris Vrioni
In this randomized evaluation, researchers partnered with Planned Parenthood of Michigan to give vouchers for contraception to evaluate the impact of contraceptive costs on method choice. Those who received the vouchers were more likely to buy contraceptives and buy more expensive methods than those...
Chinese child seated at desk holds open white packet

Performance Incentives and Grants for Health in China

Renfu Luo
Grant Miller
Scott Rozelle
Sean Sylvia
Marcos Vera-Hernandez
In many developing countries, absenteeism, lack of accountability, and corruption among public employees prevent the effective distribution of public services. Researchers examined how performance incentives and increased resources for school principals affected the implementation of a school-based...
A pregnant mother consults a medical professional.

Assessing the effect of conditional cash transfers on pregnancy outcomes in France

Marc Bardou
Xavier Carcopino-Tusoli
Bruno Crépon
Catherine Deneux-Tharaux
Philippe Deruelle
Muriel Doret-Dion
Esther Duflo
Astrid Eckman-Lacroix
Frédérique Falchier
Isabelle Fournel
Aurélie Godard-Marceau
Ghada Hatem-Gantzer
Laurent Laforet
Nicolas Meunier-Beillard
Mathieu Morin
Franck Perrotin
Tiphaine Raia-Barjat
Isabelle Le Ray
Thomas Schmitz
Elise Thellier
Women of lower socioeconomic status adhere to recommended prenatal care regimens at lower rates, which can have adverse effects on both maternal and newborn outcomes. Researchers conducted a randomized evaluation to measure the impact a financial incentive of € 30 ($33.89) per visit per month on...
J-PAL logo

Mobile Phone-Based Messaging and Critical Health Behaviors to Reduce Covid-19 Spread in India

Girija Bahety
Sebastian Bauhoff
Dev Patel
James Richard Potter
Researchers working in India conduct an adaptive randomized controlled trial to evaluate the impact of a SMS-based information campaign on the adoption of social distancing and handwashing in rural Bihar, India, six months into the COVID-19 pandemic.
Water point in Malawi

The Roles of Water Treatment Subsidies and Community Health Workers in Improving Child Health and Chlorine Usage in Malawi

Pascaline Dupas
Basimenye Nhlema
Zachary Wagner
Aaron Wolf
Emily Wroe
Researchers partnered with Partners in Health (PIH) to conduct a randomized evaluation to test the impact of monthly coupons and different CHW delivery methods on chlorine usage and child health outcomes in Southern Malawi. They find that the coupon program had stronger impacts on both outcomes and...
J-PAL logo

The Effects of Free Drinking Water Treatment on Child Survival in Kenya

Johannes Haushofer
Michael Kremer
Ricardo Maertens
Brandon Joel Tan
Diarrhea is a leading cause of death in children under the age of 5, but adding small amounts of chlorine into water can treat water and prevent a large number of these deaths. Providing free dispensers for chlorine to treat water reduced under-five mortality. Children living in villages with dilute...
Girls receiving SMS messages about precautionary health measures.

The Impact of Peer Messaging to Combat the Spread of Covid-19 in Zambia

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...