all the bargaining power at the production stage, while it vanishes when the buyer and suppliers' weights are balanced … suppliers. Conditional on market foreclosure, the probability that final consumers are harmed is positive only if the buyer has … more bargaining power when selecting suppliers than when negotiating over quantities and intermediate prices. The buyer …

antitrust and EU competition law by (selectively) including state antitrust laws as well as laws that pursue objectives …

This chapter analyzes the private rationale and the social costs and benefits of market foreclosure, here defined as a … vertical foreclosure (in which full access to a bottleneck input is denied to competitors) and provides an overview of the … private costs and benefits of foreclosure. The chapter then turns to horizontal foreclosure , where the monopoly good is sold …

This article examines a model of competition between two types of health insurer: Health Maintenance Organizations … of HMOs in the case of exclusivity contracts between HMOs and providers. Surprisingly, our model shows that the interplay …