The issue of dumping has become a problem throughout world economic history since the establishment of trading relations between countries. Thus, this study will discuss this issue as a problem faced by a range of developing countries right through the world economy. It will provide a brief clarification for the anti-dumping system's types and motives, and discuss the effectiveness of such system. In addition, the study will explore the extent to which dumping has an impact on the global economy and the economies of developing countries, as well as the issue of whether or not anti-dumping is a means of achieving trade liberalisation. Finally, the methodology employed will be application of general principles to specific case studies including the anti dumping experiences in Saudi Arabia, India and South Africa to reach valuable conclusions.