Search our database of 1094 randomized evaluations conducted by our affiliates in 91 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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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...

Improving Take-Up of Tax Benefits in the United States

Saurabh Bhargava

In the United States, many people who are eligible for social and economic benefits do not claim those benefits. Researchers partnered with the U.S. Internal Revenue Service (IRS) to test the effectiveness of different messages to taxpayers designed to encourage them to claim certain tax benefits.

Radio Public Service Announcements and Voter Participation Among Native Americans in the United States

Eline de Rooij

Can media campaigns increase voter turnout among those underrepresented in the electorate? Researchers randomly assigned areas covered by Native American radio programming to either receive or not receive targeted radio messaging encouraging listeners to vote in the 2008 and 2010 US elections. The...

Peer Pressure and Educational Investments in the United States

To test whether students’ educational investments are affected by peer pressure, researchers offered high school students the opportunity to sign up for free access to an online SAT preparatory course. Some students were told that their decision to sign up would be public, and others were told that...

Examining Employer Race-based Discrimination Before and After Ban the Box

Sonja Starr
To better understand the connection between BTB policies and racial discrimination in hiring, researchers tested the impact of applicant race and criminal history on hiring decisions both before and after BTB policies came into effect in New Jersey and New York City. The results confirmed that...

The Impact of Messaging and Incentives on Survey Response Rates to Understand Barriers COVID-19 Testing in the United States

To better understand barriers to COVID-19 testing for underserved communities, researchers evaluated the impact of varying flyer messaging and survey incentive rates on survey responses. Researchers will use survey responses to identify the most important barriers to testing and potential community...

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...