Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 97 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

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Farm stand with miscellaneous fruits and vegetables

Prescribing Food as Medicine among Individuals Experiencing Diabetes and Food Insecurity in the United States

Marcella Alsan
John Bulger
John Cawley
Joseph Doyle
Andrea Feinberg
Diabetes is one of the most prevalent diseases in the United States and is closely linked to food insecurity. Researchers evaluated the impact of an intensive food-as-medicine program that provides fresh food and diabetes education on health and health care utilization for individuals experiencing...
Woman sits in a medical setting

Changing Financial Incentives for Medicare Providers to Encourage Home Dialysis in the United States

Liran Einav
Amy Finkelstein
Yunan Ji
Neale Mahoney
Researchers analyzed the impact of a new reimbursement model to incentivize end-stage kidney disease providers and facilities to provide home dialysis on home dialysis rates. During the first year of the study, there was no statistically significant difference in home dialysis rates between hospital...
Female African American doctor speaks to patient

Reducing Administrative Burden for Postpartum Individuals Accessing Primary Care in the United States

Researchers evaluated the impact of auto-scheduling appointments with targeted messages and nudge reminders on primary care engagement within four months after delivery for postpartum individuals with diabetes, hypertension, mental illness, or obesity. Individuals who received this intervention were...
A smiling mother holds a young baby close to her, looking at the child.

Randomized Evaluation of the Nurse Family Partnership in South Carolina

Researchers are evaluating the impact of an intensive nurse home visiting program for low-income mothers on pregnancy and birth outcomes, child health and development, and future life-courses for the family. The program had no effect on adverse birth outcomes or prenatal outcomes such as health care...
Doctor measures patient's blood pressure

The Oregon Health Insurance Experiment in the United States

Heidi Allen
Katherine Baicker
Mira Bernstein
Amy Finkelstein
Jonathan Gruber
Joseph P. Newhouse
Eric Schneider
Jae Song
Bill Wright
Alan Zaslavsky

Forgive and Forget: The Impact of Medical Debt Forgiveness on Financial Outcomes in the United States

Raymond Kluender
Neale Mahoney
Francis Wong
Wes Yin
In this randomized evaluation, researchers evaluated the impact of a medical debt relief program (that buys and relieves a portion of individuals’ medical debt) on measures of mental and physical health, health care utilization, and financial well-being—including financial distress, credit score...
A nurse vaccinates a woman with grey hair.

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

Tom Chang
Rajiv Pramanik
Manisha Shah
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 Assignment to Different Managed Care Organizations on Medicaid Spending and Health Care Use in the United States

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