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Browse news articles about J-PAL and our affiliated professors, and read our press releases and monthly global and research newsletters. For media inquiries, please email us.

The Impact of Contraceptive Subsidies for Individuals in the United States

Jennifer Barber
Lea Bart
Vanessa Dalton
Daniel Eisenberg
Paula Fomby
Vanessa Lang
Alexa Prettyman
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...

The Impact of Charter Schools on Student Learning Outcomes in the United States

Joshua Angrist
Parag Pathak
Researchers examined the impact of time spent at a charter school on students’ learning outcomes in Lynn, Massachusetts. Results suggest that enrollment at a charter school significantly improved students’ test scores in both math and English language arts.

How Does Winning the Lottery Affect Labor Supply? Evidence from Sweden

David Cesarini
Erik Lindqvist
Robert Östling
Researchers used data on lottery winners in Sweden to determine whether receiving an influx of cash affected the labor supply decisions of winners and their spouses. They found that lottery winners reduced their labor supply, suggesting that cash transfers can have an effect on labor market outcomes...

Impacts of Conditional Cash Transfer Programs on Voting in Honduras

In this randomized evaluation in Honduras, researchers assessed how the national Programa de Asignación Familiar (Family Allowance Program) CCT program, which provided a combination of transfers to households and transfers to support public goods, influenced voting in local and national elections...

Video-Mediated Agricultural Extension to Increase Technology Adoption Among Farmers in Ethiopia

Gashaw Abate
Simrin Makhija
David J. Spielman
Researchers conducted a randomized evaluation to test the impact of a video-mediated extension approach on the uptake of technologies recommended by the Ethiopian Ministry of Agriculture. The video-mediated instruction increased uptake through improved access to extension and farmer knowledge but...

The Economic, Health, and Psychological Effects of Health Insurance and Unconditional Cash Transfers in Kenya

Justin Abraham
Chaning Jang
Researchers evaluated the effects of a free health insurance policy and UCTs of the same value on the economic, health, and psychological outcomes of informal workers in Kenya. Participants who received health insurance self-reported reduced stress and had lower cortisol levels; UCTs led to fewer...

Direct and Indirect Effects of Malawi’s Public Works Program on Food Security

Kathleen Beegle
Emanuela Galasso
Researchers worked with the Malawi Social Action Fund to conduct a randomized evaluation of the program’s effect on food security. They found no evidence that the program improved food security, and there were some indications that the program decreased the food security of non-beneficiaries living...

Student Coaching: How Far Can Technology Go?

Uros Petronijevic
Researchers conducted a randomized evaluation to test the impact of three different coaching methods on academic outcomes: one-on-one in-person coaching, text messaging, and an online values and goals exercise. One-on-one coaching substantially improved student outcomes, while text messaging and the...