In this paper, a dominant supplier and competitive fringe supply goods to a common buyer who has private information about the state of demand. We give conditions under which market-share contracts are profitable, and we show that, in some cases, the full-information outcome can be obtained...

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...