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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

Information Provision via Mobile Phones to Increase Mobile Banking in Ghana

Researchers partnered with Opportunity International Savings and Loans Limited (OISL) to conduct a randomized evaluation to test the impact of high-frequency interactive voice response (IVR) calls on people’s use of mobile banking services and their financial behaviors in Ghana. People who received...

The Impact of Charter Schools on Student Learning Outcomes in the United States

Joshua Angrist
Parag Pathak
Researchers examined the impact of time spent at a charter school on students’ learning outcomes in Lynn, Massachusetts. Results suggest that enrollment at a charter school significantly improved students’ test scores in both math and English language arts.

Clinical Decision Support for Outpatient High-Cost Radiology Ordering in the United States

Bruce Darrow
Joseph Doyle
Joseph Kannry
Madhu Mazumdar
David Mendelson
Researchers are studying the impact of a clinical decision support system on the ordering of high-cost scans.

Improving Electoral Integrity with Information and Communications Technology in Uganda

Clark Gibson
Danielle Jung

Researchers sent letters to polling stations announcing smartphone vote-tally audits to evaluate the impact of audits on electoral irregularities such as non-adherence to transparency regulations and falsified vote tallies. Relative to a comparison group, letters increased the number of polling...

The Impact of Communication Messages on Student Performance in São Paulo, Brazil

Researchers, in partnership with the São Paulo Education Secretariat, conducted a randomized evaluation in ninth grade classrooms to investigate the mechanisms driving the effects of communicating with parents on education outcomes.

Encouraging the Use of Formal Financial Services of Garment Workers through the Rollout of an Electronic Payment System in Bangladesh

Martin Kanz
Leora Klapper
Researchers randomly assigned employees at garment factories in Bangladesh to either continue collecting their wages in cash, receive direct deposit wage payments into a payroll account, or receive an account but continued to receive wage payments in cash. Exposure to payroll accounts led to...