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Mergers in Two-Sided Markets: An Application to the Canadian Newspaper Industry


  • Chandra, Ambarish
  • Collard-Wexler, Allan


In this paper we study mergers in two-sided industries. While mergers have been studied extensively in traditional industries, and there is a large and rapidly evolving literature on two-sided markets, there has been little work empirically examining mergers in these markets. We present a model that shows that mergers in two-sided markets may not necessarily lead to higher prices for either side of the market. We test our conclusions by examining a spate of mergers in the Canadian newspaper industry in the late 1990s. Specifically, we analyze prices for both circulation and advertising to try to understand the impact that these mergers had on consumer welfare. We find that greater concentration did not lead to higher prices for either newspaper subscribers or advertisers.

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  • Chandra, Ambarish & Collard-Wexler, Allan, 2008. "Mergers in Two-Sided Markets: An Application to the Canadian Newspaper Industry," MPRA Paper 7954, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:7954

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    References listed on IDEAS

    1. Roy Chowdhury, Prabal, 2008. "Bertrand-Edgeworth equilibrium with a large number of firms," International Journal of Industrial Organization, Elsevier, vol. 26(3), pages 746-761, May.
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    6. Osborne, Martin J. & Pitchik, Carolyn, 1986. "Price competition in a capacity-constrained duopoly," Journal of Economic Theory, Elsevier, vol. 38(2), pages 238-260, April.
    7. Massimo A. De Francesco, 2003. "On a property of mixed strategy equilibria of the pricing game," Economics Bulletin, AccessEcon, vol. 4(30), pages 1-8.
    8. Beth Allen & Martin Hellwig, 1986. "Bertrand-Edgeworth Oligopoly in Large Markets," Review of Economic Studies, Oxford University Press, vol. 53(2), pages 175-204.
    9. Dixon, Huw, 1984. "The existence of mixed-strategy equilibria in a price-setting oligopoly with convex costs," Economics Letters, Elsevier, vol. 16(3-4), pages 205-212.
    10. repec:ebl:ecbull:v:4:y:2003:i:30:p:1-8 is not listed on IDEAS
    11. William A. Brock & José A. Scheinkman, 1985. "Price Setting Supergames with Capacity Constraints," Review of Economic Studies, Oxford University Press, vol. 52(3), pages 371-382.
    12. Allen, Beth & Hellwig, Martin, 1993. "Bertrand-Edgeworth Duopoly with Proportional Residual Demand," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 34(1), pages 39-60, February.
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    More about this item


    Mergers; Two-Sided Markets; Newspapers;

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L4 - Industrial Organization - - Antitrust Issues and Policies

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