Antitrust and Trade Regulation Commons^™

Tying Arrangements And Antitrust Harm, Erik Hovenkamp, Herbert J. Hovenkamp

All Faculty Scholarship

A tying arrangement is a seller’s requirement that a customer may purchase its “tying” product only by taking its “tied” product. In a variable proportion tie the purchaser can vary the amount of the tied product. For example, a customer might purchase a single printer, but either a contract or technological design requires the purchase of varying numbers of printer cartridges from the same manufacturer.

Such arrangements are widely considered to be price discrimination devices, but their economic effects have been controversial. Tying has been attacked on the theory that price discrimination of this sort reduces consumer welfare. We show …