average variable cost curve.
c.upsloping and equal to the portion of the marginal cost curve that lies above the
average total cost curve.
d.upsloping only when the industry has constant costs.
9) in the short run, a monopolist’s economic profits:
a.are always positive because the monopolist is a price-maker.
b.are usually negative because of government price regulation.
c.are always zero because consumers prefer to buy from competitive sellers.
d.may be positive or negative depending on market demand and cost conditions.
10) Which of the following are included and which are excluded in calculating this
years GDP? Explain in each instance.
(a)Social Security checks received by a retired person
(b)An increase in business inventories
(c)The income of a tax accountant working for a business
(d)Income received from interest on a corporate bond
(e)The cashing in of a U.S. savings bond
11) If the real output of a DVC increases from $200 billion to $260 billion and its
population increases from 100 to 120 million, its real per capita output will have:
A.remained unchanged.
B.increased by about $167.