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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.

Researchers conducted a randomized evaluation in western Kenya to test how farmer participation in agronomic trials impacted their experimentation on their own farms with different input combinations and impacted their use of high-quality inputs, yields, adoption of new crops, and profitability...

Researchers worked with First Valley Bank in the Philippines to evaluate the impact of varying the interest rate and account ownership requirements on demand for commitment savings accounts. While savings account take-up was 23 percent, neither the interest rates nor the ownership requirements...

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...

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...

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...