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

Economic Returns to Street Paving in Mexico

Climent Quintana-Domeque
Many urban areas in developing countries lack basic services such as piped water, electricity, sewage lines, and paved roads. Researchers analyzed the effect of paving streets in residential areas in Mexico on the living standards of adjacent households. Street paving increased property values...

The Impact of Extending Childcare on Female Labor in Chile

Claudia Martinez
In Chile, researchers conducted a randomized evaluation to measure the effect of providing free after-school care on women’s labor market outcomes. The program increased women’s labor force participation and employment, and increased the use of daycare for young children who were ineligible for the...

Messaging Strategies to Promote Safe Water and Hygiene in Bangladesh

Kaniz Jannat
David Levine
Thomas Polley
Leanne Unicomb
Researchers tested whether sharing messages that appealed to negative emotions, like shame or disgust, increased households’ hand washing behavior and willingness to pay for water chlorination in Dhaka, Bangladesh. Negative messaging had no impact on chlorination levels or willingness to pay, but...

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...

Personality Traits and Responses to Persuasive Appeals among Voters in the United States

David Doherty
Conor M. Dowling
Gregory A. Huber
Costas Panagopoulos
Researchers used two randomized evaluations, an online survey and a field experiment, to test how personality traits affect responses to persuasive appeals to vote. They found that individuals with high levels of openness were most responsive to a range of appeals.

The Impact of a Formal Savings Intervention in Sri Lanka

Researchers conducted a randomized evaluation to test the impact of a deposit collection service on the amount of savings and the source of those savings. In a follow-up evaluation, researchers introduced design tweaks to test the impact of reducing collection costs on individuals’ savings behavior...