Imperial College London


Business School

Head of the Department of Economics and Public Policy



+44 (0)20 7594 9215t.valletti Website CV




417City and Guilds BuildingSouth Kensington Campus






BibTex format

author = {Peitz, M and Valletti, T},
doi = {10.1016/j.telpol.2015.07.012},
journal = {Telecommunications Policy},
pages = {896--912},
title = {Reassessing Competition Concerns in Electronic Communications Markets},
url = {},
volume = {39},
year = {2015}

RIS format (EndNote, RefMan)

AB - Central features of today’s electronic communications markets are complementarities between the different layers of the value chain, substitutability between some applications, network effects in the provision of content and services, two-sided business models that partly involve indirect revenue generation (such as advertising and data profiling), and a patchwork of regulated and unregulated segments of the market. This complexity requires a fresh look at the market forces shaping the industry and a rethinking of market definitions and of the assessment of market power. This article presents the state of play in European electronic communication markets, with a particular emphasis on the recent development of “over the tops”. We also use a stylised model of an electronic communications market to draw some central lessons from economic theory and to elaborate on market definition and market power.
AU - Peitz,M
AU - Valletti,T
DO - 10.1016/j.telpol.2015.07.012
EP - 912
PY - 2015///
SN - 1879-3258
SP - 896
TI - Reassessing Competition Concerns in Electronic Communications Markets
T2 - Telecommunications Policy
UR -
UR -
VL - 39
ER -