For many products, platforms enable sellers to transact with buyers. We show that the competitive conditions among sellers shape the market structure in platform industries. If product market competition is tough, sellers avoid competitors by joining different platforms. This allows platforms to...

With the growing economic and societal importance of online platforms, the question of their liability for illegal content or products they host becomes more important. Based on an analysis of platforms' incentives, we address the appropriate liability rule for hosting service providers and...

The economic analysis of the digital economy has been a rapidly developing research area for more than a decade. Through authoritative examination by leading scholars, this handbook takes a closer look at particular industries, business practices, and policy issues associated with the digital...