Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

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Monday, September 15, 2008

A Switching Costs Explanation of Tying and Warranties

Posted by D. Daniel Sokol

Iacobucci_e Edward Iacobucci of the University of Toronto Law School has a very interesting piece on A Switching Costs Explanation of Tying and Warranties in the latest issue of the Journal of Legal Studies.

ABSTRACT: Competitive markets in which buyers face a cost of switching suppliers can result in an inefficient pricing pattern: sellers initially seek to gain market share with below-cost prices, then later exploit past customers with above-cost prices. This article shows that, rather than simply offer cash discounts initially, sellers can bundle a tied good that is worth more to high-demand buyers. This bundling strategy can efficiently screen out socially undesirable sales to low-demand buyers that a straight cash discount would invite. This theory can explain warranties, which are a kind of tying contract in which aftermarket service is bundled with a durable good. The theory also has application in imperfectly competitive markets, in which sellers for reasons of price discrimination prefer a pricing pattern with high aftermarket prices and low durable-good prices. Finally, the theory has implications for antitrust law in the Kodak setting and antitrust cases involving warranties specifically.

http://lawprofessors.typepad.com/antitrustprof_blog/2008/09/a-switching-cos.html

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