Debit cards are overtaking credit cards as the most prevalent form of electronic payment at the point of sale, yet the determinants of a ubiquitous consumer choice - "debit or credit?" - have received relatively little scrutiny. Several stylized facts suggest that debit-card use is driven by...

Borrowing decisions affect most households, with large stakes and implications for subfields as varied as macroeconomics and industrial organization. I review theoretical and empirical work on household debt: its prevalence, level, growth, and composition, as well as various measures of consumer...

The intersection of research and policy on consumer credit often has a Goldilocks feel. Some researchers and policymakers posit that consumer credit markets produce too much credit. Other researchers and policymakers posit that markets produce too little credit. I review theories and evidence on...