Pricing of Internet access has been characterized by two properties: Parties are directly billed only by the Internet service provider (ISP) through which they connect to the Internet. Pricing, moreover, is not contingent on the type of content being transmitted. These properties define a regime...

We examine the welfare effects of product-line restrictions, such as those called for by some proponents of network neutrality regulation. We consider a platform that brings together households and application providers. We find that restricting a monopoly platform to a single product has the...