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Parcourez les articles de presse, médias en ligne, blogs, podcasts et vidéos sur notre travail et la recherche de nos affiliés, ainsi que nos communiqués et lettres d'information, par année. Nous invitons les médias à nous contacter par courriel

Diffusing New Seeds through Social Networks in Indian Village Economies

The researcher conducted a randomization in rural Odisha in India, by comparing adoption of a new seed variety through farmer-to-farmer networks in one half as benchmarked by door-to-door sales of the same seed. Trading between farmers leads to substantial under-adoption of agricultural technology...

The Indirect Effects of a Campaign Against Electoral Violence in Nigeria

Researchers conducted a randomized evaluation in Nigeria to determine whether a campaign against electoral violence could spread through social networks to affect the perceptions and behaviors not only of the individuals targeted by the campaign but also others to whom they have social ties. The...

The Importance of Management Support for Teacher-Led Targeted Instruction in Ghana

Researchers partnered with Ghana Education Services (GES), The National Teaching Council (NTC), The National Council for Curriculum and Assessment (NaCCA), The National Inspectorate Board (NIB), and UNICEF to evaluate whether additional managerial support from head teachers and circuit supervisors...

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...

Follow-Up Phone Calls to Reduce the Costs of Job Search among Job Seekers in Pakistan

Researchers conducted a randomized evaluation to test the impact of reducing the psychological costs of job applications, such as the tendency to postpone applications because completing a task today seems more burdensome than tomorrow, on job application rates and interviews in Lahore, Pakistan...

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...

The Impact of a Public Sector Management Program on Student Learning Outcomes in India

In India, researchers evaluated the impact of a public sector management program involving comprehensive assessments of schools, detailed school ratings, and customized school improvement plans, on school functioning and student learning. Researchers found that the MPSQA program was successful in...

Offering Cash and In-Kind Transfers to Grow and Sustain Microenterprises in Sri Lanka

Researchers provided small one-time grants to microenterprises in Sri Lanka to measure the impact of the additional capital on business profits two and five years later. They found that cash and in-kind grants increased business profits for male owners in the short and long term, but did not lead to...