Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 96 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 17-24 of 187

The Role of the VAT for Tax Enforcement

The Value Added Tax (VAT) system, which generates a paper trail on transactions between firms, facilitated tax enforcement by spreading the impact of enforcement measures up the production chain in a study with over 400,000 firms in Chile.

Recruiting and Motivating Community Health Workers in Zambia

The Government of Zambia partnered with researchers to test the effect of two different recruitment strategies for a newly created healthcare position, the Community Health Assistant (CHA). One strategy emphasized career opportunities and the other emphasized the contributions one could make in the...

Using Mobile Phones to Connect Politicians and Voters in Pakistan

In Pakistan, researchers are evaluating the impact of using mobile phones to directly connect politicians with voters and give voters the opportunity to provide real-time feedback to their elected representatives.

Peer Effects, Pupil-Teacher Ratios, and Teacher Incentives in Kenya

Researchers evaluated three interventions that addressed the large class sizes and heterogeneity in student preparation in the Kenyan school system. They found that hiring additional local contract teachers helped reduce classroom overcrowding and improved student learning outcomes. The biggest...

When do Media Stations Support Political Accountability? A Field Experiment in Mexico

Christopher Lucas
Researchers are using a randomized evaluation in Mexico to study the incentives media stations face when choosing to provide voters with indicators of their incumbent party’s performance in office.