The literature on network industries and network effects notes that incompatibility across rival systems can influence firms' incentives to invest in product changes that are beneficial to the consumer. We investigate this phenomenon in the case of bank ATM networks, where the number of ATM...

Incompatibility across rival systems can influence incentives to invest in product changes beneficial to the consumer. We investigate this phenomenon in the case of bank ATM networks, where the number of ATM locations is a measure of product quality and surcharge fees serve as an index of...

The literature on network industries and network effects notes that incompatibility across rival systems can influence firms' incentives to invest in product changes that are beneficial to the consumer. We investigate this phenomenon in the case of bank ATM networks, where the number of ATM...

Dramatic changes have occurred in the U.S. payment system over the past two decades, most notably an explosion in electronic card-based payments. This shift has led to a series of policy debates driven in part by consumers' choice of payment instruments. Using a new nationally representative...

Dramatic changes have occurred in the U.S. payment system over the past two decades, most notably an explosion in electronic card-based payments. Not surprisingly, this shift has been accompanied by a series of policy debates, all of which hinge critically on understanding consumer behavior at...

This study measures the impact of information technology (IT) use on hospital operating costs during the late 1980's and early 1990's. Using a proprietary eight-year panel dataset (1987-1994) that catalogues application-level automation for the complete census of the 3,000 U.S. hospitals with...