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:The Organization of Petroleum Exporting Countries…The Organization of Petroleum Exporting Countries…Which of the following is not an objective of the…Nigeria joined the Organisation of Petroleum…The organisation of petroleum exporting countries…