Ownership by a company of a dominant position on the relevant market is not prohibited, as a result of the efficiency of the business carried out. A dominant position is sanctioned if it has been illicitly acquired or exploited abusively.Abuse of a dominant position is manifested when, by its behavior, a trading company influences the structure or degree of competition on that market by using manifestations, anti-competitive practices, ...

This paper is addressed to those interested in and involved in the application of the legal norms regulating competition and it aims to make a brief presentation of a key-concept for the enforcement of the competition law – the relevant market. The presentation is a panorama of all the essential aspects of the concept – those on which the concept is based, composed of and to which the concept is directed – but without any assumption that the p...