Search our database of 1,200+ summaries of randomized evaluations conducted by our affiliates in 99 countries. To browse key policy recommendations from a subset of these evaluations, visit the Policy Publications tab above.

Displaying 57-64 of 1289

The Effect of Academic Achievement Awards on College Success in Canada

Joshua Angrist
Tyler Williams
Researchers examined the impact of a program that offered financial merit awards combined with academic support services on the learning outcomes of Canadian university students. Results suggest that the impact of such incentives was modest.

The Effect of Information on Employee Evaluation in the United States

Researchers evaluated the effect of distributing “value-added” teacher evaluations to principals in New York City. Their findings suggest that principals found the reports useful and used them to inform their overall perceptions of teacher effectiveness.

Worker Evaluations of Managers and Productivity in China

Shing-Yi Wang
Researchers randomly assigned automobile manufacturing workers to provide monthly feedback on their managers to measure the impact of feedback on worker productivity, turnover, and job satisfaction in China. Team-level productivity was higher, turnover was lower, and workers’ happiness increased...

Attracting Talented Workers by Reducing Application Costs in Ethiopia

Girum Abebe
Esteban Ortiz-Ospina
Researchers partnered with an employer in Addis Ababa to assess the impact of a small monetary incentive to apply for a job or a higher wage offer on the quality of applicants to a vacancy for a clerical position. Both of these changes increased the quality of applicants by similar amounts.

What Generates Growth in Microenterprises? Evidence from Sri Lanka

To study the employment limitation of microenterprises, researchers offered microentrepreneurs capital to incentivize them to hire workers. Results showed that a wage subsidy did not lead to lasting increases in employment sales or profits.

The Impact of Training and Cash Grants on Female-Owned Businesses in Sri Lanka

Researchers evaluated the impact of a business training intervention, alone and combined with a cash grant, on the income and other business outcomes for self-employed women in Sri Lanka. Researchers found that business training alone was not sufficient to generate business growth, but when combined...

Providing Vision Screening and Free Eyeglasses in Elementary Schools in the United States

Jongwook Lee
Kristine West
Researchers evaluated the impact on educational outcomes of providing enhanced vision services to low-income elementary school children. Providing vision screening and free eyeglasses significantly increased achievement in two of the three districts studied, while screening without the provision of...

The Impact of Private Tutoring Prices on Student Attendance and Performance in India

Priya Mukherjee
Researchers conducted a randomized evaluation to measure the demand for private tutoring services and estimate how pricing can influence enrollment in these services. Results suggest that higher prices reduced demand for private tutoring and also led to higher drop-out rates over time, with no...