This article explores the role of customers in informing competition authorities and courts about the likely effects of proposed mergers. It discusses when, and about what, customers are most likely to be valuable sources of information. It also discusses the potential limitations of customer...

With the clamor rising over airport delays and with both the Congress and the Administration considering remedies, this paper advocates the use of market mechanisms, specifically slot auctions, to promote efficient usage of airport capacity, reduce airport delays, and, more generally, promote...

In this article we distinguish between two types of single-firm conduct. The first, which we call "extraction," is conduct engaged in by the firm to capture surplus from what the firm has itself created independent of the conduct’s effect on rivals. The second, which we call "extension," is...