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…One objective of the organisation of petroleum…The main problem of the Organization of Petroleum…The five countries that established the Organization…The Organization of Petroleum Exporting Countries…