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On the consistent use of linear demand systems if not all varieties are available


  • Felix Höffler



Linear demand formulations for price competition in horizontally differentiated products are sometimes used to compare situations where additional varieties become available, e.g. due to market entry of new firms. We derive a consistent demand system to analyze such situations and highlight potential problems that can arise from an inconsistent approach.

Suggested Citation

  • Felix Höffler, 2008. "On the consistent use of linear demand systems if not all varieties are available," WHU Working Paper Series - Economics Group 08-01, WHU - Otto Beisheim School of Management.
  • Handle: RePEc:whu:wpaper:08-01

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    File Function: First version, 2008
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    References listed on IDEAS

    1. Inderst, Roman & Wey, Christian, 2004. "The incentives for takeover in oligopoly," International Journal of Industrial Organization, Elsevier, vol. 22(8-9), pages 1067-1089, November.
    2. Dan Kovenock & Suddhasatwa Roy, 2005. "Free Riding in Noncooperative Entry Deterrence with Differentiated Products," Southern Economic Journal, Southern Economic Association, vol. 72(1), pages 119-137, July.
    3. Xavier Vives, 2001. "Oligopoly Pricing: Old Ideas and New Tools," MIT Press Books, The MIT Press, edition 1, volume 1, number 026272040x, July.
    4. Steven Fries & Damien Neven & Paul Seabright & Anita Taci, 2006. "Market entry, privatization and bank performance in transition," The Economics of Transition, The European Bank for Reconstruction and Development, vol. 14(4), pages 579-610, October.
    5. Ordover, Janusz & Shaffer, Greg, 2007. "Wholesale access in multi-firm markets: When is it profitable to supply a competitor?," International Journal of Industrial Organization, Elsevier, vol. 25(5), pages 1026-1045, October.
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    More about this item


    Horizontal product differentiation; preferences for variety; market entry;

    JEL classification:

    • D1 - Microeconomics - - Household Behavior
    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance


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