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A simple model of vertical search engines foreclosure

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  • Tarantino, Emanuele

Abstract

By means of a simple model with consumers' search, the paper analyzes a monopolistic general search engine incentives to bias organic and sponsored search results in order to favor an integrated website. In the model, manipulation takes place whenever the general search engine places prominently its own vertical search engine instead of the most relevant for consumers. The main finding is that the incentives to manipulate search results are stronger in the organic search case. In the sponsored search case the general search platform internalizes the impact of manipulation on profits, since the less a prominent vertical search engine is relevant to consumers, the lower is the price-per-click that the general search engine can charge.

Suggested Citation

  • Tarantino, Emanuele, 2013. "A simple model of vertical search engines foreclosure," Telecommunications Policy, Elsevier, vol. 37(1), pages 1-12.
  • Handle: RePEc:eee:telpol:v:37:y:2013:i:1:p:1-12
    DOI: 10.1016/j.telpol.2012.06.002
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    References listed on IDEAS

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    Cited by:

    1. Alexandre Cornière & Greg Taylor, 2014. "Integration and search engine bias," RAND Journal of Economics, RAND Corporation, vol. 45(3), pages 576-597, September.
    2. Burguet, Roberto & Caminal, Ramon & Ellman, Matthew, 2015. "In Google we trust?," International Journal of Industrial Organization, Elsevier, vol. 39(C), pages 44-55.
    3. Peitz, Martin & Reisinger, Markus, 2014. "The Economics of Internet Media," Working Papers 14-23, University of Mannheim, Department of Economics.
    4. Emanuele Tarantino, 2012. "A Note on Vertical Search Engines’ Foreclosure," Chapters, in: Joseph E. Harrington Jr & Yannis Katsoulacos (ed.), Recent Advances in the Analysis of Competition Policy and Regulation, chapter 8, Edward Elgar Publishing.
    5. Ji, Sung Wook & Choi, Young-jun & Ryu, Min Ho, 2016. "The economic effects of domestic search engines on the development of the online advertising market," Telecommunications Policy, Elsevier, vol. 40(10), pages 982-995.

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