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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

Improving Security through Concentrated Policing in Bogotá, Colombia

Daniel Mejia
Daniel Ortega
In Bogotá, Colombia, researchers partnered with the city to measure the impact of either concentrated policing, increased municipal clean-ups, or both on crime reduction and displacement. The evaluation found that the two approaches reduced crime on targeted streets when implemented together, but...

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...

The Impact of Assignment to Different Managed Care Organizations on Medicaid Spending and Health Care Use in the United States

Researchers are conducting a randomized evaluation to test the relative impact of assignment to different MCOs on health care utilization and expenditure.

Tailored Microcredit in Rural Morocco

Researchers are evaluating the impact of improved microcredit loan design on its take-up, as well as the welfare and business conditions of borrowers.