Feb. 28, 2014

Delimitation principles of the "bundled market" boundary

By Julien Pellefigue and Paul Le Coz

Whenever firms producing a large range of non substitutable products (e.g. automotive parts) are involved in an antitrust case, it is difficult to use the traditionnal approach to relevant market definition, based upon demand side substitutability. In the absence of clear jurisprudential guidances in such situations, economic analysis recommands using the notion of "transactional complementarity", which can be made operational using the Spearman statistical test.

Download the article (in French only)


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