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…The headquarter of the Organization Of Petroleum…A major achievement of the Organization of Petroleum…The headquarter of the Organization of Petroleum…The organisation of petroleum exporting countries…