This paper investigates how an incumbent monopolistic can weaken potential rivals or deter entry in the output market by manipulating the access of these rivals in the input market. We analyze two polar cases. In the first one, the input market is assumed to be competitive with the input being supplied inelastically. We show that the situation opens the door to entry deterrence. Then, we assume that the input is supplied by a single seller who chooses the input price. In this case we show that entry deterrence can be reached only through merger with the seller of the input.
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GABSZEWICZ, Jean J. & ZANAJ, Skerdilajda, 2006.
"Upstream market foreclosure,"
CORE Discussion Papers
2006043, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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Find related papers by JEL classification: D20 - Microeconomics - - Production and Organizations - - - General D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection L42 - Industrial Organization - - Antitrust Issues and Policies - - - Vertical Restraints; Resale Price Maintenance; Quantity Discounts
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References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Salop, Steven C & Scheffman, David T, 1983.
"Raising Rivals' Costs,"
American Economic Review,
American Economic Association, vol. 73(2), pages 267-71, May.
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Rey, Patrick & Tirole, Jean, 2003.
"A Primer on Foreclosure,"
IDEI Working Papers
203, Institut d'Économie Industrielle (IDEI), Toulouse, revised Nov 2005.
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