The EU Court of Justice holds a preliminary ruling in a margin squeeze case in the telecommunications sector (TeliaSonera)

The opinions expressed in this article are the personal views of the individual authors and do not necessarily represent the views of the employers of the authors. Warm thanks are expressed to Dilip Roy, Ben Harries and Simon Maunder for their contribution to this paper. Background Until the end of the 90s, internet access was dominated by “narrowband” technologies that provided low data transmission and required the dedicated use of a telephone line. The eruption of “broadband” technologies, allowing for considerably higher transmission speed without disrupting telephone use, encouraged end users to switch from narrow to broadband internet connections. At that time, the asymmetric digital subscriber line (“ADSL”) was the most widespread form of broadband connection. TeliaSonera, the

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Jaime Garcia-Nieto, Jordi Casanova Tormo, The EU Court of Justice holds a preliminary ruling in a margin squeeze case in the telecommunications sector (TeliaSonera), 17 February 2011, e-Competitions Telecom & Dominance, Art. N° 36666

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