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Does Vertical Integration Promote Downstream Incomplete Collusion? An Evaluation of Static and Dynamic Stability

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  • Mariana Cunha
  • Paula Sarmento
Abstract
This paper analyzes the impact of vertical integration on the static and dynamic stability of downstream incomplete collusion. It is shown that a vertical merger between an upstream firm and a downstream cartel or fringe firm promotes downstream collusion, under certain conditions on the market size. However, for low downstream market concentration, a vertical merger with a cartel firm hinders collusion. Moreover, a welfare analysis shows that consumer surplus increases with the vertical merger because the merger partially eliminates the double marginalization problem. Copyright Springer Science+Business Media New York 2014

Suggested Citation

  • Mariana Cunha & Paula Sarmento, 2014. "Does Vertical Integration Promote Downstream Incomplete Collusion? An Evaluation of Static and Dynamic Stability," Journal of Industry, Competition and Trade, Springer, vol. 14(1), pages 1-38, March.
    • Handle: RePEc:kap:jincot:v:14:y:2014:i:1:p:1-38
    DOI: 10.1007/s10842-012-0150-9
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    2. Abel L. Costa Fernandes & Paulo R. Mota, 2012. "Triffin’s Dilemma Again and the Efficient Level of U.S. Government Debt," FEP Working Papers 469, Universidade do Porto, Faculdade de Economia do Porto.

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    More about this item

    Keywords

    Vertical integration; Collusion; Cartel stability; L12; L13; L42; D43;
    All these keywords.

    JEL classification:

    • L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L42 - Industrial Organization - - Antitrust Issues and Policies - - - Vertical Restraints; Resale Price Maintenance; Quantity Discounts
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection

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