Search engines (Competition law enforcement in the digital sector - Nanterre, 17 November 2016)

Case 1 was dedicated to the practices of search engines in the scope of Chinese, American and European laws. An economist has also shared his point of view on the matter.

*This article is an automatic translation of the original article, provided here for your convenience. Read the original article. 1. Rant is a particularly efficient search engine, present in all countries of the world. In the search engine advertising market, Rant has a market share of between 70 and 90%, depending on the country. If you take the entire online advertising market, its market share drops to 30%, because you have to take into account advertising on social networks, which is 75% dominated by Facebook. 2. The reasons for Rant's success are well known: performance of the search algorithm, high profitability of its advertising space sales activity, diversification of the services offered (weather, cartography, price comparison, operating system for smartphones, etc.). 3.

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  • University of Hong Kong
  • The Konkurrenz Group (Washington)
  • University Paris II Panthéon‑Assas
  • University Paris Nanterre
  • European University Institute (Florence)
  • The Konkurrenz Group (Washington)


Thomas Cheng Kin-Hon, Allen Grunes, Laurence Idot, Lauren Leblond, Nicolas Petit, Maurice Stucke, Search engines (Competition law enforcement in the digital sector - Nanterre, 17 November 2016), May 2017, Concurrences N° 2-2017, Art. N° 84123,

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