In this keynote presentation, Bob Chakravorti discusses how FinTech and big tech firms are increasing competition in the payments space. Entry into payments, often allows these non-bank providers the ability to offer loans to underserved consumers and small merchants. In the rest of the talk, Chakravorti discusses the effectiveness of...
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...