U.S. consumers' demand for cash is estimated with new panel micro data for 2008-2010 using econometric methodology similar to Mulligan and Sala-i-Martin (2000); Attanasio, Guiso, and Jappelli (2002); and Lippi and Secchi (2009). We extend the Baumol-Tobin model to allow for credit card payments...

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...