Evaluations

Researchers sent letters to polling stations announcing smartphone vote-tally audits to evaluate the impact of audits on electoral irregularities such as non-adherence to transparency regulations and falsified vote tallies. Relative to a comparison group, letters increased the number of polling...

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 evaluated the effect of personalized counseling to French youth on finding an apprenticeship, completing it, and securing longer-term employment. Personalized counseling encouraged more youth to start a pre-apprenticeship training program, but did not improve take-up into apprenticeship...

Researchers offered market vendors and bicycle taxi drivers in rural Kenya the opportunity to open a savings account at no cost. The formal savings accounts increased savings, productive investments, and expenditure levels among female micro-entrepreneurs, but not among males.

In Malawi, researchers offered micro-entrepreneurs either single or multiple lockboxes to evaluate the impact of the boxes on savings and other business and financial outcomes. Individuals offered multiple lockboxes saved more than those offered a single lockbox, suggesting that providing lockboxes...

Researchers evaluated the impact of encouraging citizen monitoring on the 2019 mayoral elections in Colombia. The intervention resulted in higher reports from citizens and a reduction in observed irregularities in the election.

Researchers conducted two randomized evaluations to test the impact of coaching teachers on integrating CAL in their elementary and middle school mathematics instruction in two large, diverse school districts in the United States. The intervention led to improved math performance in one evaluation...

Researchers partnered with Aid to Artisans (ATA), a US-based nonprofit, and Hamis Carpets, an Egypt-based distributor, to provide small-scale rug manufacturers the opportunity to export to high-income countries. Offering small firms the opportunity to export rugs to high-income markets increased...