In this presentation, Sujit "Bob" Chakravorti discusses how new entrants are disrupting payments. Specifically, he looks at how FinTechs are leveraging new technologies and Big Tech firms leveraging their large user bases to provide payment services to underserved segments often at lower prices. He also analyzes the role of the...
Chakravorti and To construct a two-period model to study the interactions among consumers, merchants, and a card issuer. The model yields the following results. First, if the issuer's cost of funds is not too high and the merchant's profit margin is sufficiently high, in every equilibrium of our model the...
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...