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An Instrumental Theory Of Market Power And Antitrust Policy, Jeffrey L. Harrison
An Instrumental Theory Of Market Power And Antitrust Policy, Jeffrey L. Harrison
UF Law Faculty Publications
Since Judge Hand's pivotal opinion in United States v. Aluminum Company of America (Alcoa), the possession of monopoly power has been treated as presumptively legal. The focus of the antitrust laws since then has been on defining when that power is abused. This approach to market power cannot be squared with the prevailing view that antitrust law is grounded in economic theory. To understand why, one must see market power for what it is: the ability of a firm to raise prices above competitive levels and to profitably keep them there. Seen in this light, market power is indistinguishable from …