The Economic Inefficiency of a Monopolist Can Be Measured by the

Multiple Choice

The economic inefficiency of a monopolist can be measured by the

A) deadweight loss.
B) value of the unrealized trades that could be made if the monopolist produced the socially-efficient output.
C) area above marginal cost but beneath demand from the monopoly output to the socially-efficient output.
D) All of the above are correct.