approximation for the market power effect of a merger. We also provide conditions under which a merger raises consumer surplus, and … conditions under which a myopic, consumer-surplus-based merger approval policy is dynamically optimal. Finally, we study the … aggregate surplus and external effects of a merger …

of oligopoly concerns resulting from mergers. In this paper, we provide a critique of Bork's views on merger policy from … The Antitrust Paradox. Many of Bork's recommendations have been implemented over time and have improved merger analysis …. Bork's proposed horizontal merger policy, however, was too permissive. In particular, the empirical record shows that …

There has been a significant interest on a theoretical level in the application of supergames to oligopoly behavior …

This paper extends the static analysis of oligopoly structure into an infinite-horizon setting with sunk costs and …

support for models of price discrimination in oligopoly settings that suggest inter-brand competition can cause all prices to …

1980s. Subsequent literature for the most part kept imperfect competition but jettisoned oligopoly. Instead, as the …. The use of oligopoly in trade models has been criticized for reasons that we argue are unpersuasive. Renewed incorporation …