Abstract This paper surveys the economics literature on payment cards, focusing on the role of interchange fees, merchant internalization, surcharging and two-sided markets. The paper aims to integrate a wide range of theoretical papers with the relevant empirical research and important policy...

Although mobile payments are increasingly used in some countries, they have not been adopted widely in the United States so far, despite their potential to add value for consumers and streamline the payments system. We summarize short-term and long-term benefits from mobile payments, and analyze...