Chetty’s research combines empirical evidence and economic theory to help design more effective government policies. His work on tax policy, unemployment insurance, and education has been widely cited in media outlets and Congressional testimony. His current research focuses on equality of opportunity: how can we give children from disadvantaged backgrounds better chances of succeeding? Click on the arrow to watch a talk illustrating how social scientists are using the tools of “big data” to tackle some of the most important social and economic problems of our time, focusing specifically on how we can improve equality of opportunity and restore the American Dream.