This Article presents a model of the lawmakers' choice between implementing a new content moderation regime that provides for platform liability for user-generated content versus continuing platform immunity for the same. The model demonstrates that lawmakers prefer platform immunity, even if...

Facebook is recognized as a technological giant with possibly unprecedented power. It is assumed that recent large-scale scandals show just a glimpse of what might happen if the company fails to recognize its power. Voices calling for regulation are stronger than ever. Yet, before we move...

Social media platforms employ inferential analytics methods to guess user preferences and may include sensitive attributes such as race, gender, sexual orientation, and political opinions. These methods are often opaque, but they can have significant effects such as predicting behaviors for...

In its latest proposals, the Digital Markets Act (DMA) and Digital ServicesAct (DSA), the European Commission puts forward several new obligations foronline intermediaries, especially large online platforms and “gatekeepers.” Bothare expected to serve as a blueprint for regulation in the...

Research on the causal effects of online advertising on consumer welfare is limited due to challenges in running large-scale field experiments and tracking effects over extended periods. We analyze a long-running field experiment of online advertising in which a random 0.5% subset of all users...