6) Scenario 13-11
Walter builds birdhouses. He spends $5 on the materials for each birdhouse. He can
build one in 30 minutes. He is semi-retired but earns $8 per hour at the local hardware
store. He can sell a birdhouse for $20 each.
An economist would calculate the total profit for one birdhouse to be a. $7.
b.$11.
c.$12.
d.$15.
7) Suppose that the Town of Mapledale is considering hiring an additional firefighter.
The expected benefit is estimated to be worth $5 for each of Mapledale’s 15,000
residents. What should the city do?
a.Hire the firefighter because additional fire protection is priceless.
b.Hire the firefighter if the cost of the new firefighter is less than $75,000.
c.Do not hire the firefighter because the costs exceed the benefits.
d.Hire the firefighter only if the benefit to the residents exceeds $75,000.
8) Scenario 15-2
Consider a local, privately-owned electrical cooperative named Poweshiek Power
Company (PPCo). PPCo has just completed a clean-coal-burning electrical power plant
in Iowa. Currently, PPCo can meet the electricity needs of all residents in the county. In
fact, its capacity far exceeds the needs of the county. After just a few years of operation,
the shareholders of PPCo experienced incredibly high rates of return on their
investment due to the profitability of the corporation.
Which of the following statements is most likely to be true?
(i)New entrants to the market know they will have a smaller market share than PPCo
currently has.
(ii)PPCo is a natural monopoly.
(iii)PPCo would experience higher profits if it were government-run.
a.(i) and (ii) only
b.(ii) and (iii) only
c.(i) and (iii) only
d.(i), (ii), and (iii)
9) Monopolistically competitive firms, like monopoly firms, maximize their profits by