Delimitation principles of the “bundled market” boundary

28 February 2014 par dans Competition, Publications

By Julien Pellefigue and Paul Le Coz,  article in the Concurrences journal n° 1-2014.

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 traditional approach to relevant market definition, based upon demand side substitutability. In the absence of clear jurisprudential guidance in such situations, economic analysis recommends using the notion of “transactional complementarity”, which can be made operational using the Spearman statistical test.

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