We consider a model in which firms use resale price maintenance (RPM) to dampen competition. We find that even though the motive for using RPM is thus anticompetitive, market forces may limit the overall adverse impact on consumers. Indeed, we find that when there are a large number of firms in...

This paper examines the use of market-share thresholds (safe harbors) in evaluating whether a given vertical practice should be challenged. Such thresholds are typically found in vertical restraints guidelines (e.g., the 2000 Guidelines for the European Commission and the 1985 Guidelines for the...

Platforms often display their products ahead of third-party products in search. Is this due to consumers preferring platform-owned products or platforms engaging in self-preferencing by biasing search towards their own products? What are the welfare implications? I develop a structural model of...