VoxEU Column Call externalities, network effects, and market power: The Orange/T-Mobile merger Steffen Hoernig David Harbord 28 Sep 2010 Competition Policy
Discussion paper DP7730 Welfare Analysis of Regulating Mobile Termination Rates in the UK (with an Application to the Orange/T-Mobile Merger) Steffen Hoernig David Harbord 7 Mar 2010 Industrial Organization D43 L13 L51 L96