Using the Basic Supply/demand Framework, Economic Analysis of Market Structure

Multiple Choice

Using the basic supply/demand framework, economic analysis of market structure leads to the conclusion that:

A) perfect competition promotes efficient outcomes, whereas the other market structures are associated with some deadweight loss.
B) monopoly promotes efficient outcomes, whereas the other market structures are associated with some deadweight loss.
C) oligopoly promotes efficient outcomes, whereas the other market structures are associated with some deadweight loss.
D) monopolistic competition promotes efficient outcomes, whereas the other market structures are associated with some deadweight loss.