Glossary of competition terms

This Glossary matches the list of keywords used by Concurrences search engine. Each keyword is automatically updated by the most recent EU and national case laws from the e-Competitions Bulletin and Concurrences Review. The definitions are excerpt from DG COMP’s Glossary of terms used in EU competition policy (© European Union, 2002) and the OECD’s Glossary of industrial organisation economics and competition law (© OECD, 1993).

SIEC test (mergers)

The new Merger Regulation adopted on May 1st 2004 reformulates the substantive test (the SIEC test) as follows: "A concentration which would significantly impede effective competition, in particular by the creation or strengthening of a dominant position, in the common market or in a substantial part of it shall be declared incompatible with the common market." © European Commission