In 2010, the Department of Justice (DOJ) filed a lawsuit against the credit card networks American Express, MasterCard, and Visa for alleged antitrust violations. We evaluate the extent to which the recently proposed settlement between the DOJ and Visa and MasterCard (henceforth, "Proposed...

We introduce three types of consumer recognition: identity recognition, asymmetric preference recognition, and symmetric preference recognition. We characterize price equilibria and compare profits, consumer surplus, and total welfare. Asymmetric preference recognition enhances profits compared...

Recent legislation and court settlements in the United States allow merchants to use price discounts to steer customers to pay with means of payment that are less costly to merchants. This paper suggests one method of calculating merchants' change in profit associated with giving price discounts...