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Antitrust Liability For False Advertising: A Response To Carrier & Tushnet, Susannah Gagnon, Herbert J. Hovenkamp
Antitrust Liability For False Advertising: A Response To Carrier & Tushnet, Susannah Gagnon, Herbert J. Hovenkamp
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This reply briefly considers when false advertising can give rise to antitrust liability. The biggest difference between tort and antitrust liability is that the latter requires harm to the market, which is critically dependent on actual consumer response. As a result, the biggest hurdle a private plaintiff faces in turning an act of false advertising into an antitrust offense is proof of causation – to what extent can a decline in purchase volume or other market rejection be specifically attributed to the defendant’s false claims? That requirement dooms the great majority of false advertising claims attacked as violations of the …
Antitrust Harm And Causation, Herbert J. Hovenkamp
Antitrust Harm And Causation, Herbert J. Hovenkamp
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How should plaintiffs show harm from antitrust violations? The inquiry naturally breaks into two issues: first, what is the nature of the harm? and second, what does proof of causation require? The best criterion for assessing harm is likely or reasonably anticipated output effects. Antitrust’s goal should be output as high as is consistent with sustainable competition.
The standard for proof of causation then depends on two things: the identity of the enforcer and the remedy that the plaintiff is seeking. It does not necessarily depend on which antitrust statute the plaintiff is seeking to enforce. For public agencies, enforcement …