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The Impact of Bid Training on Small Firm Growth in Liberia

Fei Ao
Vinayak Iyer
Golvine de Rochambeau
Researchers evaluated the impact of a bid training program on the business performance of local small and medium-sized firms. The bid training led firms to bid on and win more contracts, with the positive impacts concentrated on a quarter of firms.

Accelerating Changes in Norms about Social Distancing to Combat COVID-19

James Riddell IV
Tanya Rosenblat
Researchers are conducting a randomized evaluations to test the impact of different types of public health messaging on the practice of social distancing.

Providing Financial Incentives and Behavioral Nudges to Encourage Covid-19 Vaccine Uptake in the United States

Tom Chang
Rajiv Pramanik
Samir Shah
Researchers evaluated the impact of financial incentives, public health video messages, and access to a vaccine scheduling link on Covid-19 vaccination intentions and vaccine take-up in the United States. None of the interventions led to increases in vaccine take-up after thirty days. In a...

The Impact of Group-based Therapy and Cash Transfers on Adolescent Girls' Mental Health and Economic Outcomes in Uganda

Researchers are conducting a randomized evaluation to test the impacts of group-based therapy with and without a one-time lump sum cash transfers on the mental health and employment outcomes of adolescent girls in Uganda.

Improving Student Learning through Classroom Technology Adoption in Pakistan

Waqas Halim
Umar Saif
Researchers partnered with the Government of Pakistan to conduct two parallel randomized evaluations to test the impact of providing supplemental teaching materials on the quality of student learning and teachers’ effectiveness. Overall, the eLearn Classroom intervention improved student achievement...

Effectively Targeting Anti-Poverty Programs in Indonesia

Vivi Alatas
Julia Tobias
Researchers in Indonesia compared the effectiveness of two methods of identifying the low-income households: a community method where villagers ranked households according to perceived wealth, and a proxy-means test which relied on measures of consumption and assets. The community methods of...