Industrial Organization Commons^™

Addressing The Divisions In Antitrust Policy, Herbert J. Hovenkamp

All Faculty Scholarship

This is the text of an interview conducted in writing by Professor A. Douglas Melamed, Stanford Law School.

Vertical Control, Herbert J. Hovenkamp

All Faculty Scholarship

Antitrust litigation often requires courts to consider challenges to vertical “control.” How does a firm injure competition by limiting the behavior of vertically related firms? Competitive injury includes harm to consumers, labor, or other suppliers from reduced output and higher margins.

Historically antitrust considers this issue by attempting to identify a market that is vertically related to the defendant, and then consider what portion of it is “foreclosed” by the vertical practice. There are better mechanisms for identifying competitive harm, including a more individualized look at how the practice injures the best placed firms or bears directly on a firm’s …

Antitrust Harm And Causation, Herbert J. Hovenkamp

All Faculty Scholarship

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 …