Economists consider monopolists to be inefficient becasue?

Question

A. they can earn a long-run econimic profit at the expense of consumers.

B. All consumer suplus is lostr a scompared to perfect competition.

C. the monopolist raises price from the competitive level.

D. The monpolist restricts output from the competitive level, thus creating dead-weight loss.

Answer 1

Yes, D.  Monopolies create dead-weight loss, an area which is foregone to society.

Answer 2

D?