Comparative Analysis of Anti-Competition Conducts Evaluation Criteria -Emphasis on Iranian Law

The bases of Competition Law have economic nature that precise examination and clarification of them lead to effectiveness of legal regulations.  There are variety of criteria to analyze anti-competitive conducts. The main ones are “Per se rule” and “Rule of reason”. Under “Per se rule”, the subject of conduct is the basis of prohibition, however; “Rule of reason” requires the analysis of effects of conducts and the relevant market structure.  Other admissible criteria in Competition Law in compliance with the specific view, study the anti-competition conducts. This article aims to examine legal rules of antitrust and pros and cons associated with them and also Law on Implementation of General Policies of Principle (44) of Constitution law in order to clarify view of Iranian Law. To conclude, acceptance of any criteria has direct impact on content of laws and the way of addressing anti-completion conducts and also it roots in economic basis and objectives that Competition Law attempts to achieve.  The ambiguity of legislator’s economic bases and also overlooking the criteria in this area are the reasons of ineffectiveness of Competition Law.