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...

In May 2005, the Federal Reserve Bank of Kansas City sponsored a conference, "Interchange Fees in Credit and Debit Card Industries: What Role for Public Authorities?" Conference participants included prominent industry executives, legal authorities, academics, and central bankers from around the...

We exploit scanner data to track payment choice for grocery purchases for a large panel of households over three years. We show that households focus most of their expenditures on one or at most two of these instruments in choosing between using cash, a check, or a card, and they very rarely...

Germans are still very fond of using cash. Of all direct payment transactions, cash accounts for an astounding 82% in terms of number, and for 58% in terms of value. With a new and unique dataset that combines transaction information with survey data on payment behaviour of German consumers, we...