8) kara was out jogging and despite being tired, decided to run one more mile. based on
her actions, economists would conclude that kara:
a.must be an avid runner.
b.decided that the marginal benefit of running one more mile would outweigh the cost
of the additional mile.
c.decided that the marginal cost of running one more mile would outweigh the benefit
of the additional mile.
d.was not very tired, so the marginal cost of the extra mile was very low.
9) If MPa/Pa = MPb/Pb and MRPa/Pa = MRPb/Pb>1, this firm is:
A.producing its output with the least costly combination of resources, but is not
producing the profit-maximizing output.
B.maximizing profits, but failing to minimize costs.
C.neither maximizing profits nor minimizing costs.
D.combining resources a and b so as to minimize costs and maximize profits.
10) Insurance companies require male drivers under age 25 to pay higher insurance
rates than female drivers under age 25. Craig Raymond, however, is a safer driver than
the average female driver under age 25. Craig’s higher insurance rate reflects:
A.monopoly power.
B.statistical discrimination.
C.the insurance firm’s taste for discrimination.
D.human-capital discrimination.
11) Some economists claim that unions reduce economic efficiency by:
A.providing a voice mechanism for workers.
B.insisting that promotions be based on ability rather than seniority.
C.imposing restrictions on the kinds of jobs workers may perform.
D.increasing worker turnover.