Antitrust & Competition Policy Blog

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

Tuesday, January 8, 2013

Loss Leading as an Exploitative Practice

Posted by D. Daniel Sokol

Zhijun Chen (U Auckland and Ecole Polytechnique, Palaiseau) and Patrick Rey (Toulouse School of Economics) theorize about Loss Leading as an Exploitative Practice. This paper was really amazing - a must read!

ABSTRACT: We show that large retailers, competing with smaller stores that carry a narrower range, can exercise market power by pricing below cost some of the products also offered by the smaller rivals, in order to discriminate multistop shoppers from one-stop shoppers. Loss leading thus appears as an exploitative device rather than as an exclusionary instrument, although it hurts the smaller rivals as well; banning below-cost pricing increases consumer surplus, rivals' profits, and social welfare. Our insights extend to industries where established firms compete with entrants offering fewer products. They also apply to complementary products such as platforms and applications.

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