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:Which of the following roles is being played by the…Nigeria is rated in the Organization of Petroleum…The main problem of the Organization of Petroleum…The Organization of Petroleum Exporting Countries…The Organization of Petroleum Exporting Countries…