Reviving the American dream: Raj Chetty's prescription [Live at The WBUR Festival]

The American Dream, defined as the ability for children to earn more than their parents, has shifted from a near-certainty for those born in 1940 to a coin-flip for those born in 1990. Raj Chetty, a Harvard economics professor and director of Opportunity Insights, utilizes large-scale tax and social network data to map this decline in economic mobility. Research reveals that upward mobility is hyper-local, varying significantly even between adjacent neighborhoods. The strongest predictor of success is social capital—specifically, the extent to which low-income individuals interact with high-income peers. While structural factors like poverty rates and school quality matter, cross-class connections drive career advancement and shape personal aspirations. Policy interventions, such as targeted housing assistance and mixed-income community development, offer viable pathways to reverse these trends by fostering the essential social interactions that facilitate economic growth for all.