Antitrust & Competition Policy Blog

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

Monday, December 6, 2010

Countervailing power and dynamic efficiency

Posted by D. Daniel Sokol

Roman Inderst (Goethe University Frankfurt and London School of Economics) and Christian Wey (University of Dusseldorf, Dusseldorf Institute for Competition Economics) discuss Countervailing power and dynamic efficiency.

ABSTRACT: This paper studies the impact of buyer power on dynamic efficiency. We consider a bargaining model in which buyer power arises endogenously from size and may impact on a supplier's incentives to invest in lower marginal cost. We challenge the view frequently expressed in policy circles that the exercise of buyer power stifles suppliers' incentives. Instead, we find that the presence of larger buyers keeps a supplier 'more on his toes' and induces him to improve the competitiveness of his offering, in terms of both price and quality, relative to buyers' alternative options.

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