Search our database of 1043 randomized evaluations conducted by our affiliates in 89 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Improving Immunization Coverage Through Incentives, Reminders, and Social Networks in India

Researchers are working with the state government of Haryana to evaluate the impact of three programs aimed at increasing child immunization by building demand for vaccination: the use of small, non-financial incentives, tailored reminders, and leveraging village social networks.

Health Care Hotspotting in the United States

Annetta Zhou
Sarah Taubman

Rapidly rising health care costs in the United States have generated interest in identifying effective ways to improve the quality of care delivery and reduce waste within the health care system. In this ongoing study, researchers are evaluating the impact of a care management program that provides...

Enrolling Informal Sector Workers in National Health Insurance in Indonesia

A key challenge to achieving universal health coverage is that non-poor informal workers are difficult to enroll and retain in government health insurance programs. Researchers are conducting a randomized evaluation to test the impact of various incentives and information campaigns on the enrollment...

Commitment Contracts for Smoking Cessation in the United States

Daren Anderson
Amanda Kowalski
Jody Sindelar
This study will examine whether a combination of positive and negative commitment devices can induce long-term smoking cessation in smokers from a low-to-moderate income background in Connecticut.

The Effect of Behavioral Nudges via Mailed Letters on Subsidized Health Insurance Take-up

Timothy Layton
Keith Ericson
This study will examine the impact of different reminder letters sent by mail (behavioral nudges) on enrollment in subsidized health insurance plans. The study will also examine the characteristics of the marginal enrollees, focusing especially on health risk to assess the extent of adverse...

The Effect of Informative Letters on the Prescription and Receipt of Seroquel in the United States

David Yokum
Shantanu Agrawal
Frank Tetkoski
Michael L. Barnett
Jackson Le
This study evaluated the impact of strongly-worded peer comparison review letters sent to high prescribers of quetiapine by the Centers for Medicare & Medicaid Services (CMS) on prescribing behavior and patient-level outcomes. Researchers found that the letters caused substantial and long-lasting...

Promoting Safe Sex Among Adolescents in Tanzania

Jennifer Muz
Researchers, in partnership with BRAC, are conducting a randomized evaluation with both male and female adolescents in Tanzania to identify the differential impacts of demand side and supply side interventions and to better understand the role males play in affecting sexual and reproductive health...

The Long-Term Impacts of Conditional Cash Transfers in Honduras

Teresa Molina Millán
John A. Maluccio
Luis Tejerina
Researchers used census data in Honduras to determine the impact of PRAF-II, a CCT program, 13 years after it began. They found that the CCT program had positive impacts on educational attainment and international migration for non-indigenous individuals, but had more mixed impacts on marriage...