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Upstream horizontal mergers and vertical integration

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  • Ioannis N. Pinopoulos

    () (Department of Economics, University of Macedonia)

Abstract

We study upstream horizontal mergers when one of the merging parties is a vertically integrated firm. Under upstream cost symmetry and observable contracting, we demonstrate that such type of horizontal mergers always harm consumers through a vertical partial foreclosure effect. Under observable contracting but upstream asymmetric costs, we show that overall consumer surplus may increase due to the merger even though input prices increase and some consumers are worse of. Under upstream cost symmetry but unobservable contracting, we find that consumers may be better off as a result of the merger even in the absence of exogenous cost-synergies between the merging firms. In all cases under consideration, the merger is always profitable for the merging parties.

Suggested Citation

  • Ioannis N. Pinopoulos, 2017. "Upstream horizontal mergers and vertical integration," Discussion Paper Series 2017_07, Department of Economics, University of Macedonia, revised Aug 2017.
  • Handle: RePEc:mcd:mcddps:2017_07
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    File URL: http://aphrodite.uom.gr/econwp/pdf/dp072017.pdf
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    References listed on IDEAS

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    More about this item

    Keywords

    Vertical relations; vertical integration; horizontal mergers; consumer surplus.;

    JEL classification:

    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices
    • L42 - Industrial Organization - - Antitrust Issues and Policies - - - Vertical Restraints; Resale Price Maintenance; Quantity Discounts

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