Platforms often use fee discrimination within their marketplace (e.g., Amazon, eBay, and Uber specify a variety of merchant fees). To better understand the impact of marketplace fee discrimination, we develop a model that allows us to determine equilibrium fee and category decisions that depend...

Fee discrimination is commonly used by marketplace platforms (e.g., Amazon, eBay, and Uber). To better understand how marketplace fee discrimination interacts with the hybrid platform business model, we model a marketplace platform that manages fees and categories across a continuum of retail...

We consider two-sided markets in which consumers and firms endogenously determine whether they single-home (patronize only one platform), or multi-home (join competing platforms). We find that the standard competitive bottleneck allocation in which all consumers single-home and all firms...

As the collection of consumer data becomes more common, online merchants are better equipped to price discriminate now more than ever before. While the standard use of first-degree price discrimination benefits merchants and harms consumers relative to uniform pricing, I derive an alternative...

Platforms often use fee discrimination within their marketplace (e.g., Amazon, eBay, and Uber specify a variety of merchant fees). To better understand the impact of marketplace fee discrimination, we develop a model that allows us to determine equilibrium fee and category decisions that depend...

The phenomenon where a network's value escalates with each additional user, known as a direct network effect, exists across industries that may differ in terms of interoperability or compatibility. For instance, while email and telephone services benefit from seamless cross-network...