Online technologies enable lower-cost, rapid data collection, but concerns about access and data quality impede their use in global research. I conduct a randomized experiment in the Philippines to test the effectiveness of web-form and chatbot surveys of K-12 teachers recruited through social...

We examine the impact of having a same-race teacher on students' long-run educational attainment. Leveraging random student-teacher pairings in the Tennessee STAR class-size experiment, we find that black students randomly assigned to a black teacher in grades K-3 are 5 percentage points (7%)...

We use a randomized field experiment to test the causal impact of short-term work experience on employment and school enrollment among disadvantaged, in-school youth in the Philippines. This experience leads to a 4.4 percentage point (79-percent) increase in employment 8 to 12 months later....

We implemented a field experiment designed to increase participants' willingness to visit a health clinic. We find differential responses to a $50 incentive framed as a loss versus framed as a gain. We find little support for the notion that loss aversion is responsible for the effectiveness of...

We examine the impact of having a same-race teacher on students' long-run educational attainment. Leveraging random student-teacher pairings in the Tennessee STAR class-size experiment, we find that black students randomly assigned to a black teacher in grades K-3 are 5 percentage points (7%)...

I conduct a statewide experiment in Michigan with nearly 50,000 high-achieving high school seniors. Treated students are mailed a letter encouraging them to consider college and providing them with the web address of a college information website. I find that very high-achieving, poor and...