Antitrust & Competition Policy Blog

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

Friday, August 20, 2010

Timing Vertical Relationships

Posted by D. Daniel Sokol

Richard Ruble (EMLYON & CNRS, GATE),Bruno Versaevel (EMLYON & CNRS, GATE), and √Čtienne de Villemeur (Toulouse School of Economics (IDEI & GREMAQ)) explore Timing Vertical Relationships.

ABSTRACT: We show that the standard analysis of vertical relationships transposes directly to investment timing. Thus, when a rm undertaking a project requires an outside supplier (e.g. an equipment manufacturer) to provide it with a discrete input, and if the supplier has market power, investment occurs too late from an industry standpoint. The distortion in rm decisions is characterized by a Lerner index, which is related to the parameters of a stochastic downstream demand. When feasible, vertical restraints restore eciency. For instance, the upstream rm can induce entry at the correct investment threshold by selling a call option on the input. Otherwise, competition may substitute for vertical restraints. In particular, if two rms are engaged in a preemption race downstream, the upstream rm sells the input to the rst investor at a discount that is chosen in such a way that the race to preempt exactly osets the vertical external! ity, and this leader invests at the optimal market threshold.

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