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

Does Campaign Spending Work in the United States?

In partnership with candidates, researcher Alan Gerber conducted five randomized evaluations in two states to measure the effect of campaign mailings on vote shares. The results suggest that incumbent spending has a negligible effect on vote share, whereas challenger spending was effective.

Building Trust in Fertilizer Quality Among Farmers in Tanzania

Annemie Maertens
Researchers conducted an evaluation to test the impact of an information campaign about fertilizer quality on farmers’ beliefs and their purchase and use of fertilizer. The information campaign led farmers to change their beliefs about the quality of fertilizer available in local markets and to buy...

Train the Trainer: Promoting Savings by Training Banking Business Correspondent Agents in Andhra Pradesh

Laura Litvine
Santadarshan Sadhu
Researchers are testing the relative effect on knowledge and savings behaviors of training customers through business correspondent agents and giving customers financial information directly, using an innovative mobile-based information platform.

Training Teachers in Curiosity-Based Science Pedagogy in India

Ariel Gomez
Vinay Jha
Sandeep Kumar
Despite making great strides in expanding access to education, developing countries like India continue to lag in measures of actual student learning. To understand how quality of education mediates learning, this randomized control trial evaluates a pedagogical intervention training science...

Free versus Paid Distribution of Health Products in Uganda

In northern Uganda, researchers found that free distribution of three health products led to lower demand for the same products when they were later offered for sale, highlighting the importance of product characteristics in determining pricing policy.

Changing Beliefs, Changing Bribes in India

Researchers are conducting a randomized evaluation to study the effect of changing legal penalties, along with citizens’ beliefs about these penalties, on corruption and lawbreaking in India.