The Organization of Petroleum Exporting Countries (OPEC) is an example of a? by Sunday | May 25 | Economics WAEC | 0 comments A. perfect competition B. monopsony C. duopoly D. cartel Correct Answer: Option D D. cartel Users Also Read These:The Organization of Petroleum Exporting Countries…The headquarter of the Organization of Petroleum…The main role of the Organization of Petroleum…One objective of the organisation of petroleum…Which of the following is not an objective of the…