In which of the following markets does a firm have the power to make super-normal profits both in the short run and long run? By: Sunday|Published on: Nov 10|Categories: Economics WAEC| 0 comments A. Monopoly B. Duopoly C. Oligopoly D. Monopsony Correct Answer: Option A A. Monopoly Users Also Read These:A firm incurs short-run costs when?A firm will shut down in the long run if its earning is?A firm average cost decreases in the long run because?How long does it take the mercury to make a complete…The notion of short-run and long-run periods is…SEE ALSO The purely competitive firm should close down when its price is less than its?