We develop an equilibrium model of vertical foreclosure with the choice of input specifications. Vertical foreclosure occurs as the upstream division of the integrated firm makes a specialized input for its sister downstream division while it would, as an independent firm, provide a generalized input. The changes in incentives with vertical integration can be explained by the externalities the choice of a specialized input entails; vertical integration allows the upstream firm to internalize the benefit of raising the rival firm's costs at the downstream level. We derive conditions for equilibrium vertical foreclosure to occur and discuss its welfare consequences.
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José Pedro Pontes, 2006.
"Networks and Firm Location,"
Working Papers
2006/09, Department of Economics at the School of Economics and Management (ISEG), Technical University of Lisbon..
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Roman Inderst & Christian Wey, 2003.
"Buyer Power and Supplier Incentives,"
CIG Working Papers
SP II 2003-05, Wissenschaftszentrum Berlin (WZB), Research Unit: Competition and Innovation (CIG).
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Jose Pedro Pontes, 2005.
"Input Specificity and Location,"
Working Papers
2005/01, Department of Economics at the School of Economics and Management (ISEG), Technical University of Lisbon..
[Downloadable!]