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Browse news articles about J-PAL and our affiliated professors, and read our press releases and monthly global and research newsletters. For media inquiries, please email us.

Publicizing Tax Credits for Political Contributions in the United States

Robert G. Boatright
Michael J. Malbin
In Ohio, researchers tested the effect of an informational mailing on the number of tax filers claiming the political contribution tax credit. They found that the campaign generated a moderate increase in the number of individuals claiming the credit, but at a cost of over US$2000 per filer.

Building Trust in Fertilizer Quality Among Farmers in Tanzania

Annemie Maertens
Researchers conducted an evaluation to test the impact of an information campaign about fertilizer quality on farmers’ beliefs and their purchase and use of fertilizer. The information campaign led farmers to change their beliefs about the quality of fertilizer available in local markets and to buy...

Certification, Teacher Effectiveness, and Student Learning in the United States

Steven Cantrell
Jon Fullerton
Certified teachers were no more likely than non-applicants to be effective at improving students’ test scores, but were more effective than unsuccessful applicants. Researchers found that estimates of teacher effectiveness based on test scores from previous years were a strong predictor of student...

The Impact of a Tax Holiday Lottery in Uruguay

Felipe Monestier
Rafael Piñeiro
Fernando Rosenblatt
Guadalupe Tuñón
Researchers tested in the case of Montevideo, Uruguay the impact of winning a tax holiday on subsequent tax compliance. Winners of the tax holiday lottery were 3 percentage points less likely to pay taxes in subsequent payment cycles, likely because the holiday disrupted the habit of tax paying, and...

Empowering Citizens through Community-Based Development Empower Citizens in Ghana

Researchers conducted a randomized evaluation to test the impact of community-based development on political participation, public goods provision, and individual well-being in Ghana. They found that, although the community engagement program led to changes in local leadership, it was not an...

The Impact of a Voluntary Summer Reading Program on Low-Income Latinx Children in the United States

James Kim
Researchers examined the impact of a voluntary summer reading program among low-income Latinx children from language minority homes. Results demonstrated that, although children reported reading more books, their reading test scores and the frequency with which they read with parents did not improve...