c.First vote: police vs. taxes; Second vote: winner of the first vote vs. arts; Third vote:
winner of the second vote vs. streetlights
d.The town administrator should use a Borda count.
5) A natural monopoly occurs when
a.the product is sold in its natural state, such as water or diamonds.
b.there are economies of scale over the relevant range of output.
c.the firm is characterized by a rising marginal cost curve.
d.production requires the use of free natural resources, such as water or air.
6) Acme Home Builders, Inc., has built 24 houses so far this year at a total cost to the
company of $4.80 million. If the company builds a 25thhouse, its total cost will increase
to $5.05 million. Which of the following statements is correct?
a.For the first 24 houses, the average cost per house was $205,000.
b.The marginal cost of the 25thhouse, if it is built, will equal $250,000.
c.If the company can sell the 25thhouse for at least $202,000, then it should build it.
d.All of the above are correct.
7) A concentration ratio
a.measures the percentage of total sales of the top firm in the industry.
b.reflects the level of competition in an industry.
c.is inversely related to the price charged by the top firm in the industry.
d.All of the above are correct.
8) Suppose that a “doggie day care” firm uses only two inputs: hourly workers (labor)
and a building (capital). In the short run, the firm most likely considers
a.both labor and capital to be fixed.
b.both labor and capital to be variable.
c.labor to be variable and capital to be fixed.
d.capital to be variable and labor to be fixed.