Transnational concentration: The European Commission moves towards a pan European approach of mobile telephony markets (Telefonica/O2)

*This article is an automatic translation of the original article, provided here for your convenience. Read the original article. – EC Comm, 10 January 2006, Telefonica / O2, case COMP/M. 4035 Two main markets are affected by the merger between Telefonica, the Spanish telecommunications operator, and O2, a UK-based mobile phone operator. In both these markets, the Commission is significantly changing its previous decision-making practice, taking into account the impact of alliances on European mobile telephony markets. Wholesale international roaming services Roaming services enable operators to offer their subscribers