In his lecture as part of a broader course on Effective Oversight of Payment and Settlement Systems: Maintaining Financial Plumbing edited by Charles Kahn, Chakravorti describes the underlying economics of retail payments including substitution of payment instruments, regulation of them, and underlying incentives to use them. He looks at specific...
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...