Antitrust and the Supremacy Clause
Fordham University School of Law
Stanford Law Review, Vol. 59, No. 1, p. 77, 2006
In the course of damning the market giant Standard Oil, the Supreme Court declared that the purpose of the Sherman Antitrust Act is to prevent monopoly and the acts which produce the same result as monopoly. The Constitution's Supremacy Clause, in turn, requires preemption - that is, non-enforcement - of state laws that conflict with a federal statute. Put together, these propositions suggest that state laws which create monopolies should be prime candidates for preemption via the Sherman Act. But despite the syllogistic logic bearing down on them, monopoly-creating state laws have easily weathered most federal antitrust challenges, even when the state does not regulate the price the monopolist charges. The reason is that the Supreme Court's antitrust decisions on state economic regulation have consistently confused two distinct questions: whether market conduct encouraged by state law violates the Sherman Act, and whether state law conflicts with the Sherman Act and thus is preempted. This confusion explains other problems in the Court's antitrust jurisprudence, including the Court's inability to make sense of antitrust claims against municipalities acting as lawmakers rather than market participants. In this Article, I describe the sources and consequences of the Court's confusion, and then I propose how to resolve it.
Number of Pages in PDF File: 57
Keywords: antitrust, Sherman Act, preemption, Supremacy Clause, Parker, state action immunity
JEL Classification: K21, H77, L40, L43
Date posted: June 1, 2006
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