We model side payments in a competitive credit-card market. If competitive retailers charge a single (higher) price to cover the cost of accepting cards, banks must subsidize convenience users to prevent them from defecting to merchants who do not accept cards. The side payments will be financed...

Wholesale payments and settlement systems in G-10 countries have undergone significant change in recent years. Notably, central banks have sought to increase the safety and reliability of these systems. In this article, William R. Emmons describes two approaches that have been pursued....