Two-sided platforms coordinate two types of users in order to increase the value of the whole system surrounding the platform. Users of a platform have different outside opportunities, and these influence their behavior on the platform. Platforms often limit these outside projects through...

Proposals for network neutrality are usually justified at least in part based on positive spillovers and externalities related to an “open” Internet. Almost everyone would agree that the Internet generates a great many positive benefits throughout the economy, but there is much less...