The OECD Recommendation of the Council Concerning Effective Action against Hard Core Cartels adopted on March 25, 1998 defined ‘hard-core cartel’ as“…an anticompetitive agreement, anticompetitive concerted practice, or anticompetitive arrangement by competitors to fix prices, make rigged bids (collusive tenders), establish output restrictions or quotas, or share or divide markets by allocating customers, suppliers, territories or lines of commerce.