Social and Behavioral Sciences Commons^™

Antitrust And Nonexcluding Ties, Herbert J. Hovenkamp

All Faculty Scholarship

Notwithstanding hundreds of court decisions, tying arrangements remain enigmatic. Conclusions that go to either extreme, per se legality or per se illegality, invariably make simplifying assumptions that frequently do not obtain. For example, by ignoring double marginalization or tying product price cuts it becomes very easy to prove that a wide range of ties are anticompetitive. At the other extreme, by ignoring foreclosure possibilities one can readily conclude that ties are invariably benign.

Ties have historically been thought to produce two kinds of competitive harm: “leverage,” or extraction; and foreclosure, or exclusion. The two theories are not mutually exclusive. Indeed, …