This volume consists of seven articles on the economics and regulation of interchange fees. All rely on the multi-sided platform framework. The first two chapters examine whether there is a market failure in setting interchange fees and present principles for considering correction to a market...

This volume collects a series of essays that I have written over the last decade on multi-sided platform businesses that create value by providing products that enable two or more different types of customers to get together, find each other, and exchange value. Part I presents background pieces...

There appears to be universal agreement that antitrust policy should "protect competition, not competitors" and that consumer welfare is the fundamental standard for evaluating competitive effects. There is considerable debate, however, about how to implement those principles in practice when...