8) If we observe a great deal more advertising for Mucinex, an over-the-counter drug,
than for a Grainger drill press, we can infer that
a.more money is spent on Mucinex than on Grainger drill presses.
b.the market for Mucinex is more highly differentiated than the market for Grainger
drill presses.
c.Grainger has lower costs of production than Mucinex.
d.Mucinex operates in an oligopoly, while Grainger operates in a monopolistically
competitive market.
9) Students of microeconomic principles often say they are going to study “tonight,”
because the only way to pass the exam is to study some every night. When “tonight”
comes, some students choose to do something else. Come exam day, these students do
not do well on their exam. This observation is an example of how people
a.are inconsistent over time.
b.are consistent over time.
c.are mainly interested in fairness.
d.are rational.
10) Table 12-10
If Miss Kay has $80,000 in taxable income, her marginal tax rate is
a. 15%.
b.25%.
c.28%.
d.33%.