Blog

News

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

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...

Structured Study Time, Self-Efficacy, and Tutoring

In this study, researchers evaluated scalable methods to improve student retention and performance in an online course, with the goal of improving meaningful access to this resource.

Accountability and Transparency in the Mining Sector of Peru

Researchers evaluated an accountability workshop program, which educated citizens on the distribution of extractive industry tax revenues and the formal means of local political participation. The program had mixed results on local government quality, increasing the likelihood of initiating recall...

Incentivizing Households to Save Energy in Hanoi, Vietnam

Jorge Lemus
Guillermo Marshall
Chi Ta
Researchers conducted a randomized evaluation during the summer months of 2023 to test the impact of using contracts or contests to encourage energy savings and assess their cost-effectiveness. Researchers found that contests and contracts achieved similar levels of energy savings. However, contests...

Incentivizing Property Tax Inspectors through Performance-Based Postings in Pakistan

Together with the provincial government, researchers evaluated the impact of a performance-based incentive scheme on tax inspectors’ performance in Punjab, Pakistan. The incentive scheme allowed tax inspectors to choose their next posting location based on their past performance; specifically, how...

Digital Delivery of Humanitarian Aid to Improve Food Security of Women in Afghanistan

Michael Findley
Miguel Fajardo Steinhäuser
Researchers evaluated a program delivering digital aid payments on food security and mental well-being for vulnerable female-headed households in Afghanistan. Digital payments led to improved food security and mental well-being for beneficiaries. Digital delivery of aid was also cost-effective and...

The role of information, accountability and resource gaps in explaining poor urban services quality in Addis Ababa and its rapidly urbanizing surroundings

Girum Abebe
Tigabu Degu Getahun
In partnership with the Ethiopian Development Research Institute (EDRI), researchers are providing report cards that document citizen satisfaction with a range of public services to various levels of government officials to measure the impact of information and accountability on public service...

MTV Shuga: Changing social norms and behaviors with entertainment education in Nigeria

Can television shows change how people think and act? In Nigeria, researchers evaluated the impact of MTV Shuga, a drama featuring educational storylines about HIV/AIDS on viewers’ sexual knowledge, attitudes, and behaviors. The study shows that exposure to MTV Shuga improved viewers’ knowledge and...