These are statements comparing monopoly with perfect
competition. Which of the following statements
is/are false? Select all that
apply.
A. A a perfectly competitive industry faces a horizontal
straight line demand curve whereas a monopoly faces a downward
sloping demand curve.
B. A perfectly competitive firm faces a small fraction of the
industry demand curve whereas a monopoly faces the entire market
demand curve.
C. A perfectly competitive firm can only set quantities; a
monopoly can set both price and quantity, although once it chooses
a price (quantity), the other variable, quantity (price), is
determined by the demand curve it faces.
D. A perfectly competitive equilibrium is efficient; a monopoly
equilibrium is inefficient.
E. A perfectly competitive firm necessarily earns zero economic
profit in a long run equilibrium; a monopoly typically earns a
super-normal profit in a long run equilibrium.