Evaluations

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.

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.

In Kenya, researchers matched farmers with subsidized, trained watchmen to evaluate the effect of improved farm security on farmers’ decision-making, agricultural productivity, and conflict with neighbors. Security was shown to increase and in response, farmers made different cropping, time use, and...

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...

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...

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...