The Organization of Petroleum Exporting Countries (OPEC) is a? by Sunday | May 28 | Economics WAEC | 0 comments A. cartel B. duopoly C. monopoly D. monopsony Correct Answer: Option A A. cartel Users Also Read These:Nigeria is rated in the Organization of Petroleum…One objective of the organisation of petroleum…Which of the following is not an objective of the…The headquarter of the Organization of Petroleum…A major achievement of the Organization of Petroleum…