Antitrust Law can be described as the set of legal rules that regulate the current or potential power of the companies on a certain market, on behalf of public interest. In practice, the Antitrust Law prohibits the execution of restrictive competition practices, the acquisition of a dominant...

This paper focuses on the question of whether the task of distributing the welfare between producers and consumers is in the domain or jurisprudence of courts or antitrust agencies. Indeed, these foundations are far away from the understanding introduced by Chicago school when the matter in hand...