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Cornell University Law School

Law and Economics

Sherman Act

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Full-Text Articles in Law

Market Power In Antitrust, George A. Hay Jan 1992

Market Power In Antitrust, George A. Hay

Cornell Law Faculty Publications

The concept of market power is at the core of antitrust. Philosophically, antitrust policy is aimed primarily at preventing firms from achieving, retaining, or abusing market power. Operationally, assessing whether a firm or firms have market power or any reasonable prospect for achieving it is often the first (and sometimes, the only) step in performing an antitrust analysis.

Few would dispute that market power should play a prominent role in antitrust analysis. Nevertheless, important questions remain. Some of these questions quite naturally focus on the precise degree of importance given to market power. Is it an essential ingredient in antitrust …


Predatory Pricing, George A. Hay Jan 1990

Predatory Pricing, George A. Hay

Cornell Law Faculty Publications

No abstract provided.


Anti-Trust And Economic Theory: Some Observations From The Us Experience, George A. Hay Feb 1985

Anti-Trust And Economic Theory: Some Observations From The Us Experience, George A. Hay

Cornell Law Faculty Publications

Recent developments in US anti-trust can be characterised as reflecting the uneasy interaction of two quite separate phenomena: first, the increased emphasis on economic analysis as the overriding organising principle of anti-trust policy and on economic efficiency as the primary (perhaps only) relevant goal for anti-trust; second, the long-standing reluctance of the federal judiciary to involve itself in any substantive economic analysis, and the preference, instead, for simple rules of thumb or ‘pigeon holes’ to sort out lawful from unlawful conduct. The result has been that while economics has played a major role, it has not influenced American anti-trust as …