Law Commons^™

The Lawful Acquisition And Exercise Of Monopoly Power And Its Implications For The Objectives Of Antitrust, Keith N. Hylton, David S. Evans

Faculty Scholarship

The antitrust laws of the United States have, from their inception, allowed firms to acquire significant market power, to charge prices that reflect that market power, and to enjoy supra-competitive returns. This article shows that this policy, which was established by the U.S. Congress and affirmed repeatedly by the U.S. courts, reflects a tradeoff between the dynamic benefits that society realizes from allowing firms to secure significant rewards, including monopoly profits, from making risky investments and engaging in innovation; and the static costs that society incurs when firms with significant market power raise price and curtail output. That tradeoff results …

The Role Of Market Definition In Unilateral Effects Analysis And In The Litigation Of Unilateral Effects Cases, Jonathan Baker, Kathryn Fenton, Richard Parker, Daniel Wall, Jeffrey Schmidt

Presentations

The Federal Trade Commission is planning to host a public workshop on February 12, 2008 to examine the application of unilateral effects theory to mergers of firms that sell competing, but differentiated products. ”Unilateral effects” as a formal theory of competitive harm was added to the joint FTC/DOJ Horizontal Merger Guidelines in 1992. The theory recognizes that, in some instances, mergers may create or enhance market power by allowing the merged firm to profitably raise prices, without accommodation of other rival market incumbents. While section 2.2 of the Guidelines explains that unilateral competitive effects can arise in a variety of …

Market Power Without A Large Market Share: The Role Of Imperfect Information And Other “Consumer Protection” Market Failures, Robert H. Lande

All Faculty Scholarship

There are two very different sources of market power in antitrust cases. The first is traditional market share-based market power. Market power in antitrust cases also can come from deception, significantly imperfect or asymmetric information, or other types of market failures that usually are associated with consumer protection violations.

When these “consumer protection” market failures are present in antitrust cases, market power can arise even if no firm has a market share large enough for a finding of traditional market share based market power. However, instead of traditional end-use consumers being harmed, the direct victims are businesses.

The “consumer protection” …