Evaluations

In partnership with the Polish Tax Office, researchers conducted a nation-wide randomized evaluation to test the impact of sending tax enforcement letters with behavioral messages on tax compliance among delinquent taxpayers. The results indicate that behavioral letters significantly improved tax...

Researchers partnered with the Munich Opera House to conduct a randomized evaluation measuring the impact of a large-scale mail fundraising scheme on the frequency and amount of donations. While neither the presence of a lead donor nor differences in matching schemes affected the response rate to...

Researchers evaluated the impact of making voter registration easier on voter participation by providing information about voter registration and home registration visits. Overall, the results suggest that information and visits can encourage greater participation, particularly among groups that...

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 Liberia, researchers tested the effect of an intensive agricultural training program that also provided agricultural supplies and psychosocial counseling on employment activities, income, and socio-political integration. Fourteen months after the program, participants spent more time working in...