Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 281-288 of 1227
Table with condom, vials, and meters for HIV testing

Can Lotteries Help Prevent HIV Among Youth? Evidence from Lesotho

Lucia Corno
Martina Björkman Nyqvist
Jakob Svensson
Damien de Walque
Researchers conducted a randomized evaluation to test the impact of lottery-based financial awards given to young individuals who tested STI-negative on their likelihood of contracting HIV and engaging in risky sexual behavior. The intervention provided frequent rewards at short intervals to bring...
Women stand at a curb hailing a cab or rideshare car

Ride-Hailing Services to Increase Urban Mobility in Egypt

Peter Christensen
Adam Osman
Researchers collaborated with Uber in Egypt to assess the impacts of expanding access to its ride services through price on the demand for ride-hailing and overall consumer mobility. Lowering the price of ride-hailing services increased people’s use of Uber and overall consumer mobility.
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Handwashing and Behavior Change in Bangladesh

Researchers conducted a randomized evaluation to test the impact of an edutainment intervention at schools and the provision of handwashing resources at home on handwashing at school and at home. These findings suggest that encouraging behavior change in one setting may crowd out like behavior in...
women with pen and paper

Impact of Digital Financial Education and Information Provision on Gender-Based Violence in Colombia

Orazio Attanasio
Mathew Bird
Lina Cardona
Pablo Lavado
In Colombia, researchers conducted a randomized evaluation to test the impact of a messaging-based program via WhatsApp focused on financial education, couples’ communication, and information provision on financial capability, women’s empowerment, and intimate partner violence.
Indian man sitting on a stool looking at his cell phone

The Impact of Mobile-Linked Savings Accounts in Sri Lanka

Craig McIntosh
Ketki Sheth
Christopher Woodruff
Researchers evaluated the impact of bank accounts that allowed mobile deposits on savings behavior in Sri Lanka. Few account holders used the service frequently, even when offered for free. Mobile-linked accounts increased savings deposits with the partner bank and formal banks more generally but...
Two Ugandan boys smile in a room filled with posters

Smoothing the Cost of Education: Micro-Savings in Ugandan Primary Schools

Dean Karlan
Leigh Linden
In Uganda, researchers tested whether a school-based savings program reduced dropout rates by enabling students and their families to save for school-related expenses. A version of the program that labeled savings for educational purposes, rather than fully committing money to educational expenses...
Woman on cell phone in Nigeria.

Information Provision via Mobile Phones to Increase Mobile Banking in Ghana

Emma Riley
Abu Shonchoy
Researchers partnered with Opportunity International Savings and Loans Limited (OISL) to conduct a randomized evaluation to test the impact of high-frequency interactive voice response (IVR) calls on people’s use of mobile banking services and their financial behaviors in Ghana. People who received...
A couple standing looking at the camera carrying a baby.

Frequent HIV Testing and Marriage and Pregnancy Decisions in Malawi

Manuela Angelucci
Daniel Bennett
Researchers conducted a randomized evaluation to test the impact of offering frequent HIV testing on rates of marriage and pregnancy. Offering high-frequency, opt-out HIV testing to young women and their partners changed beliefs of partner’s sexual safety, accelerated marriage, and increased the...