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 97-104 of 404
A teacher writes on chalk board in Kenya.

Flipcharts, School Inputs, and Retrospective versus Prospective Analyses in Kenya

Paul Glewwe
Michael Kremer
Sylvie Moulin
Eric Zitzewitz
Researchers provided educational flipcharts to 89 randomly selected Kenyan primary schools and evaluated their impact on student learning, comparing retrospective and prospective estimates. In the prospective study, the estimated impact of flipcharts on student test scores was found to be close to...
Market transaction in rural Malawi

Cash Transfers and Market Access to Increase Household Welfare in Rural Liberia and Malawi

Shilpa Aggarwal
Jenny Aker
Dahyeon Jeong
Naresh Kumar
David Park
Jon Robinson
Alan Spearot
In Liberia and Malawi, researchers partnered with Innovations for Poverty Action, GiveDirectly, and USAID to evaluate the impact of an unconditional cash transfer and market access program on food security, spending, income, resilience to health shocks, intimate partner violence, and psychological...

Improving Economic and Psychological Well-being through Unconditional Cash Transfer in Kenya

Johannes Haushofer
Charlotte Ringdal
Jeremy Shapiro
Xiao Yu Wang
In Rarieda, Kenya, researchers conducted a randomized evaluation to measure the impact of GiveDirectly’s UCT program on poor rural households’ economic and psychological well-being. Results demonstrated that the program had significant welfare-improving impacts, both economically and psychologically...
Malaria medication

The Impact of Discounting the Cost of Medicine on Overprescriptions in Mali

Carolina Lopez
Anja Sautmann
Simone Schaner
Researchers varied patients’ information about a discount on treatment for simple malaria and measuring take-up of treatment to identify the factors driving overtreatment. While patient pressure on doctors in response to the discount led to excess prescription of antimalarials, there was no evidence...
Patients were paired with health providers from a mix of public and private facilities to engage in a game set up to simulate real-world interactions between patients and providers.

The Role of Patient Complaints on Health Provider Performance in Kenya

Isaac Mbiti
Danila Serra
Poor infrastructure, limited access to medicine, poor service provision, and a lack of accountability often lead to poor health outcomes in many developing countries. Researchers conducted a lab-in-the-field randomized experiment to evaluate patients’ willingness to file complaints against service...
Women carrying food in Tanzania.

Incentives to Reduce Unsafe Sex in Rural Tanzania

Ramadhani Abdul
Faraji Abilahi
William Dow
Erick Gong
Zachary Isdahl
Julian Jamison
Boniphace Jullu
Suneeta Krishnan
Albert Majura
Carol A. Medlin
Edward Miguel
Jeanne Moncada
Sally Mtenga
Mathew Alexander Mwanyangala
Rose Nathan
Laura Packel
Julius Schachter
Kizito Shirima
Damien de Walque
In Tanzania, researchers examined whether making cash payments conditional on testing negative for sexually transmitted infections (STIs) can improve safe sex practices among young adults. They found that offering cash incentives of US$20 significantly reduced STI rates after one year, although...
Woman in Living Goods uniform points at medicine bottle while mother of newborn watches

An Entrepreneurial Model of Community Health Delivery in Uganda

Andrea Guariso
Martina Björkman Nyqvist
Jakob Svensson
David Yanagizawa-Drott
In Uganda, an incentivized community health promoter program increased health care access, knowledge, and health-promoting behaviors among households, leading to a 27 percent reduction in child mortality.
Photo of tree on tea estate.

Impact of Peer Motivation on Worker Productivity in Malawi

Lasse Brune
Eric Chyn
Jason Kerwin
Researchers at the Lujeri Tea Estates in Malawi evaluated the impact of exposure to more, less, or equally productive peers on tea harvester productivity. They found that increasing the productivity of a worker’s peers meaningfully increased worker productivity, measured in kilograms of tea picked...