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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

Evaluating the Impact of Online Education in Russia

Igor Chirikov
René Kizilcec
Natalia Maloshonok
Tatiana Semenova
Researchers conducted a randomized evaluation to test the impact and cost-effectiveness of fully online and blended STEM classes in Russia on student test scores. Students in online and blended courses achieved similar scores to students in traditional in-person courses at a lower cost.

Investing Cash Transfers to Raise Long-Term Living Standards in Mexico

Sebastian Martinez
Marta Rubio-Codina
Researchers conducted a randomized evaluation of the impact of the Oportunidades CCT program in Mexico on recipients’ investments decisions and long-run poverty levels. They found that the cash transfers promoted long-term increases in consumption through investment in productive activities...

Adoption of Insecticide Treated Bednets among Poor Households in Orissa, India

Brian Blackburn
Joanne Yoong
Researchers found that providing microloans to purchase ITNs increased ownership and use. However, the impact of these microloans on health was mixed, likely due to insufficient coverage and low usage rates of bednets.

The Impact of Cash Transfers on the Educational Attainment, Sexual Behavior, and HIV Status of Adolescent Girls in Malawi

Ephraim Chirwa
Richard Garfein
Berk Ozler
In Malawi, researchers tested the relative effects of providing conditional and unconditional cash transfers to teenage girls and their families. Among girls enrolled in school at the start of the program, conditional cash transfers increased school attendance and reduced HIV prevalence while...

Providing Primary Education for Foundational Literacy and Numeracy in Guinea Bissau

Peter Boone
Ila Fazzio
Jenny Hsieh
Robin Lumsdaine
Researchers evaluated the impact of creating schools offering four years of primary education, in lieu of the government, on early grade reading and math skills in rural Guinea Bissau. The intervention led to substantial improvements in literacy and numeracy.

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.

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.

The Effect of Free Contraception on Fertility in Burkina Faso

Adriana Lleras-Muney
Pauline Rossi
Researchers conducted a randomized evaluation among households in rural Burkina Faso to examine whether countries in sub-Saharan Africa are experiencing a slower shift in fertility levels due to lack of access to contraception or households wanting large families. Providing married women with access...