During the COVID-19 epidemic, many health professionals started using mass communication on social media to relay critical information and persuade individuals to adopt preventative health behaviors. Our group of clinicians and nurses developed and recorded short video messages to encourage...

COVID-19 vaccines are widely available in wealthy countries, yet many people remain unvaccinated. Understanding the effectiveness -- or lack thereof -- of popular vaccination campaign strategies is therefore critical. In this paper, we report results from two studies that tested strategies...

How much does life-cycle human capital accumulation vary across countries? This paper seeks to answer this question by studying U.S. immigrants, who come from a wide variety of countries but work in a common labor market. We document that returns to potential experience among U.S. immigrants are...

How much does life-cycle human capital accumulation vary across countries? This paper seeks to answer this question by studying U.S. immigrants, who come from a wide variety of countries but work in a common labor market. We document that returns to potential experience among U.S. immigrants are...