Olivia Mitchell (PSC/PARC Research Associate) was quoted in Penn Today and Knowledge@Wharton about the growing number of older Americans in debt. “This is a very different world in terms of debt than our parents and grandparents lived in,” says Olivia S. Mitchell, a Wharton professor of business economics and public policy who co-authored the working paper, “Understanding Debt in the Older Population,” published by the National Bureau of Economic Research.