In his presentation in Madrid, Spain in April 2017, Bob Chakravorti discussed how the financial sector is rapidly changing because of new products and services brought to market by FinTech firms. Specifically, he discusses certain market segments where new entrants are reducing market frictions. He puts forth how incumbent financial...
Credit cards provide benefits to consumers and merchants not provided by other payment instruments as evidenced by their explosive growth in the number and value of transactions over the last 20 years. Recently, credit card networks have come under scrutiny from regulators and antitrust authorities around the world. The costs...
Chakravorti and Roson construct a model to study competing payment networks, where networks offer differentiated products in terms of benefits to consumers and merchants. We study market equilibria for a variety of market structures: duopolistic competition and cartel, symmetric and asymmetric networks, and alternative assumptions about consumer preferences. We find...