b.the inability of private monopolies to get rid of managers that are doing a bad job.
c.the propensity of private monopolies to generate excessive profits.
d.how ownership of the firm affects the cost of production.
5) Monopolies are inefficient because they
(i)eliminate barriers to entry.
(ii)price their product at a level where marginal revenue exceeds marginal cost.
(iii)restrict output below the socially efficient level of production.
a.(i) and (ii) only
b.(ii) and (iii) only
c.(iii) only
d.(i), (ii), and (iii)
6) If your income is $50,000, your income tax liability is $10,000, and you paid $0.25
in taxes on the last dollar you earned, your
a.marginal tax rate is 20 percent.
b.average tax rate is 5 percent.
c.marginal tax rate is 25 percent.
d.average tax rate is 25 percent.
7) Scenario 18-2
Gertrude Kelp owns three boats that participate in commercial fishing for fresh Pacific
salmon off the coast of Alaska. As part of her business she hires a captain and several
crew members for each boat. In the market for fresh Pacific salmon, there are thousands
of firms like Gertrude’s. While Gertrude usually catches a significant number of fish
each year, her contribution to the entire harvest of salmon is negligible relative to the
size of the market.
Refer to Scenario 18-2. In the fresh Pacific salmon product market, Gertrude has some
control over the
a.price she charges for her fresh salmon.
b.quantity of fresh salmon that she supplies to the market.
c.competitive environment of the market.
d.supply of labor in the market.