Greater digitization of commerce has brought enormous benefits to businesses and consumers. By using digital payment capabilities and online marketplaces, many micro, small, and medium enterprises (MSMEs) are more able to compete with larger firms through greater customer choice and reach. This paper examines the results of a Visa Economic...
Bob Chakravorti was a guest lecture in Heather Russell's graduate law FinTech Program at Boston University Law School. Bob discussed the potential roles for cryptocurrencies and blockchains in finance.
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...