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...

In September 2016, the U.S. Court of Appeals for the Second Circuit issued a decision that recognized and applied important economic principles concerning the antitrust analysis of single-firm conduct in two-sided markets. The Second Circuit reversed a February 2015 decision of the U.S. District...

The U.S. credit card market is highly concentrated and highly profitable, two facts which have drawn scrutiny of its competitive practices. I study competition in this market by analyzing how lenders target and acquire new customers using direct-mail, their principal acquisition channel. I find...