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 497-504 of 1222

Effect of Matching Ratios on Charitable Giving in the United States

Researchers found that matching gifts were an effective fundraising tactic, increasing the likelihood of donation and total donations, but larger match ratios did not return more donations than smaller match ratios.

Improving Take-Up of Tax Benefits in the United States

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.

Community Based Rangeland Management in Namibia

David Coppock
Luke Crowley
Susan Durham
Dylan Groves
Brien Norton
R. Douglas Ramsey
In Namibia, researchers measured the impact of a community-based natural resource management program on livestock assets, income, social cohesion, and land quality. Community-based rangeland management improved rangeland grazing management, community governance of the rangelands, and farmer...

Information Dissemination Campaign and Voters' Behavior in the 2009 Municipal Elections in Mexico

Researchers randomly assigned voting precincts to a campaign spreading information on corruption and public expenditure conducted one week before the 2009 municipal elections in Mexico. Providing incumbent corruption information not only decreased incumbent party support, but also decreased voter...

Encouraging Voters to Pay Attention to Local Development Issues

In order to examine how voter preferences vary with information about the relevance of ethnicity and politician quality, researchers randomly assigned polling stations during the 2007 Uttar Pradesh elections to two information campaigns, one calling for people not to vote for a party simply for...

The Effects of Exposure to Financial Markets on Voter Behavior in Israel

Moses Shayo
In many societies facing violent conflict, policymakers have attempted a number of strategies to reduce conflict and generate support for peace initiatives, but rarely consider the role that exposure to financial markets can play in mitigating social conflict. Researchers evaluated the impacts of...