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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. 

The Effects of Performance Pay among Private School Teachers in Pakistan

Researchers worked with a large private school network in Pakistan to evaluate the effects of performance raises on outcomes such as teacher behavior, student learning, and student socioemotional development. They found that, compared to flat payments, performance pay attracted more high-quality...

Local Mentorship and Business Training to Increase Profits among Microenterprises in Kenya

Terence Johnson
Researchers conducted a randomized evaluation to test the impact of two different types of business training—formal business classes and mentorship from a successful entrepreneur in the same industry—on female entrepreneurs’ profits and use of new business practices in Kenya. They found that...

Improving Preschool Quality in Colombia

Alison Andrew
Lina Cardona-Sosa
Sonya Krutikova
Marta Rubio-Codina
Researchers evaluated two approaches to improving the quality of Colombian preschools. Providing additional resources to preschools for materials and new staff did not benefit children’s development and, unintentionally, led teachers to reduce their involvement in classroom activities. However, the...

The Impact of Access to Credit and Business Training on Entrepreneurs’ Business Outcomes and Resilience to COVID-19

Lise Masselus
Researchers are conducting a randomized evaluation to test the impact of access to credit and business training on entrepreneurs’ business outcomes and households’ resilience to cope with the consequences of COVID-19. Research is ongoing; results are forthcoming.

Cash Transfers and Management Advice for Farmers in Senegal

In Senegal, researchers conducted a randomized evaluation to study the effect of providing management advice and a one-time cash transfer on agricultural productivity and farmers’ investment in their businesses. Receiving both the cash transfer and management advice had positive impacts on yields...

The Effect of Bureaucrat Performance Scorecards on Service Delivery and Bribes in Bangladesh

Researchers evaluated the impact of performance scorecards on the speed of delivery and the payment of bribes. Results show that the intervention increased on-time service delivery, but did not decrease bribe payments on average; bribes among high-performers increased.

Countering Covid-19 Misinformation through WhatsApp in Zimbabwe

Jeremy Bowles
Shelley Liu
In this randomized evaluation in Zimbabwe, researchers studied how social media messages targeting misinformation can affect people’s beliefs about and responses toward Covid-19. The study found that these messages increased participants’ knowledge of Covid-19 information by 7 percentage points and...

The Impact of Personalized Information on Informed School Choice in Chile

Researchers conducted a randomized evaluation to measure the impact of an information program on parental school choice and long-term student achievement. They found that the intervention shifted household school choices of those who were not enrolled before the intervention toward establishments...