Defining the Relevant Market in Telecommunications


Defining the Relevant Market in Telecommunications: Review of Selected OECD Countries and Colombia


Competition is about increasing choice and efficiency to benefit consumers and make the economy more productive. This also applies to sectors which in many countries have been liberalised such as electricity, water, railways and telecoms.

Market definition is one of the most important analytical tools that competition authorities use to examine and evaluate competition problems. This is critical in most competition and regulatory cases, and it helps identifying market participants and the area of effective competition.

This report sets out the experiences of OECD countries in applying the concept of market definition in the telecommunications sector, with a particular focus on triple- and quadruple-play services.

The findings are then related to existing regulations in Colombia to verify whether the relevant markets defined in regulatory decisions are consistent with the competition economics approach to identifying relevant markets.



Table of contents


General Principles of Market Definition

Market Definition

Problems in Telecommunications

Overview of the Colombian Telecommunications Regulation with Respect to Market Definition




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 COMP_Defining Markets in Telecom

 Date of publication: 5 May 2014 



Country Reviews of Competition Policy Frameworks

More OECD Competition work on Colombia

Television and Broadcasting (2013)

Margin Squeeze (2009)

Telecommunications (2001)

Competition in Regulated Sectors

Best Practices Roundtables in Regulated Sectors

Competition Home Page‌



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