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...

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...

Approximately half of credit card holders in the United States regularly carry unpaid credit card debt. These so-called revolvers exhibit payment behavior that differs from that of those who repay their entire credit card balance every month. Previous literature has focused on the adoption of...

We use data from several waves of the Survey of Consumer Finances to document credit and debit card ownership and use across US demographic groups. We then present recent theoretical and empirical contributions to the study of credit and debit card behavior. Utilization rates of credit lines and...

This paper analyzes platforms and rejections in two-sided markets with network externalities, using the specific context of a payment card association. We study the cooperative antitrust determination of the interchange fee by member banks. We use a framework in which banks and merchants may...

We test the hypothesis that consumption smoothing occurs after large, but not small, expected future income shocks. Even though this hypothesis has often been discussed, formal evidence in support of it is rare. We use individual level, monthly, bank account data to examine how expected income...

In Zeiten, in denen die Konsumenten immer sensibler gegenüber der Umwelt und der Gesellschaft werden, gewinnt auch das Konzept der Corporate Social Responsibility (CSR) immer mehr an Bedeutung. Dies geht mit verstärktem Wettbewerb einher, welcher Unternehmen auf Dauer dazu zwingt, sich von der...

The current study provides the first experimental test of the compromise effect, i.e. the tendency to choose middle options, in a naturally occurring setting. Simultaneously, I propose and evaluate a novel nudge intended to stimulate active choice - the (un)compromise effect - a compromise...

A number of studies have pointed to various mistakes that consumers might make in their consumption-saving and financial decisions. We utilize a unique market experiment conducted by a large U.S. bank to assess how systematic and costly such mistakes are in practice. The bank offered consumers a...