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 main problem of the Organization of Petroleum…Nigeria joined the Organisation of Petroleum…The headquarter of the Organization Of Petroleum…A major achievement of the Organization of Petroleum…Which of the following is not a member of the…