c.0.40
d.2.00
10) In the long run, a firm in a perfectly competitive market operates
a.at its efficient scale, and a monopolistically competitive firm operates at its efficient
scale.
b.at its efficient scale, and a monopolistically competitive firm operates with excess
capacity.
c.with excess capacity, and a monopolistically competitive firm operates with excess
capacity.
d.with excess capacity, and a monopolistically competitive firm operates at its efficient
scale.
11) A decrease in supply is represented by a
a.movement downward and to the left along a supply curve.
b.movement upward and to the right along a supply curve.
c.rightward shift of a supply curve.
d.leftward shift of a supply curve.
12) A monopolist
a.has a supply curve that is upward-sloping, just like a competitive firm.
b.does not have a supply curve because the monopolist sets its price at the same time it
chooses the quantity to supply.
c.has a horizontal supply curve, just like a competitive firm.
d.does not have a supply curve because marginal revenue exceeds the price it charges
for its products.
13) For a monopolistically competitive firm,
a.marginal revenue and price are the same.
b.average revenue and price are the same.
c.at the profit-maximizing quantity of output, price equals marginal cost.
d.at the profit-maximizing quantity of output, price equals the minimum of average
total cost.