Previous studies on the spread of obesity in social networks have focused on the contemporaneous effect of peer weight outcomes on individuals. The present paper is the first to investigate the longer term effects, within adolescence and from adolescence into early adulthood, of peers on...

The COVID-19 pandemic has profoundly impacted the economy and human lives worldwide, particularly the vulnerable low-income population. We employ a large panel data of 5.6 million daily transactions from 2.6 million debit cards owned by the low-income population in the U.S. to quantify the joint...