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...
The provision of retail payment services is complex with many participants engaging in a series of interrelated bilateral transactions and subject to large economies of scale and scope along with strong adoption, usage and network externalities. This makes sound public policy difficult. We focus on three types of market interventions...
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...