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.

Displaying 449-456 of 1222

Countering Covid-19 Misinformation through WhatsApp in Zimbabwe

Jeremy Bowles
Shelley Liu
In this randomized evaluation in Zimbabwe, researchers studied how social media messages targeting misinformation can affect people’s beliefs about and responses toward Covid-19. The study found that these messages increased participants’ knowledge of Covid-19 information by 7 percentage points and...

Smart Meters: Do Prices Matter to Their Adoption and Do They Save Energy?

Michael Price
Researchers conducted a randomized evaluation to test the impact of financial incentives on the take-up of energy-efficient smart meters and subsequent energy use in partnership with British Gas. While offering incentives increased smart meter adoption, customers did not reduce their energy...

Text Messages and Reminders to Save in Ecuador

Miguel Paredes
Dylan Ramshaw
Working with a microfinance institution in Ecuador, researchers investigated whether providing timely reminders to save via text message can help people save more.

Reducing Energy Consumption and Greenhouse Gas Emissions through Energy Efficient Retrofits: Evidence from Low-Income Households

Researchers evaluated the impact of a residential energy efficiency program on energy savings and carbon emissions in the United States. They found that energy savings equaled only about half of the upfront cost of the program, which were far less than projected.

Public Recognition and Fundraising in the United States

Researchers used two experiments to identify whether the motive for giving in public can be primarily linked to a desire for prestige (the “image” effect) or a hope that a public gift will influence others (the “signal” effect). They found that a desire to improve social image largely explained why...

Assessing the Effectiveness of Alternative Text Messages to Improve Collection of Delinquent Fines in the United Kingdom

Rory Gallagher
Laura Haynes
Peter John
David Torgerson
The collection of delinquent fines is a massive public administrative challenge. In the United Kingdom for instance, unpaid court fines amounted to more than £600 million in 2011. Managing noncompliant accounts and dispatching bailiffs to collect fines in person is costly. Researchers used a...