Monopolies are viewed differently by economists and businesspersons.

Which of the following would likely be most important to an economist when thinking about monopolies?Check all that apply.

A. The exact revenue generated from IBM's latest quantum computing technology receiving patent protection.

B. The lobbying efforts De Beers, a diamond mining monopoly, could conceivably employ in order to better protect its profits.

C. The consumer surplus that results from monopoly compared to a competitive industry.

D. Whether or not the total output of a market is the same under a monopoly as a competitive industry.