10)
refer to the above figure. an increase in the number of highly skilled and educated
potential immigrants would:
a.increase mb and increase the optimal quantity of immigrants.
b.reduce mb and reduce the optimal quantity of immigrants.
c.increase mc and increase the optimal quantity of immigrants.
d.reduce mc and reduce the optimal quantity of immigrants.
11) (last word) a study found that the incidence of skin cancer increases along with the
amount of time people work under fluorescent light, leading some people to conclude
that fluorescent lighting is a cause of skin cancer. but further analysis found that people
who work in offices, where fluorescent light is common, suffer more sunburn on their
vacations than other workers. the sunburns, not the fluorescent light, were the cause of
the higher incidence of skin cancer. the original conclusion illustrates:
a.the fallacy of composition.
b.confusion of correlation and causation.
c.identifying marginal costs and marginal benefits.
d.biases and loaded terminology.
12) In the quintile distribution of income, the term “quintile” represents:
A.5 percent of the income receivers.
B.10 percent of the income receivers.
C.20 percent of the income receivers.
D.25 percent of the income receivers.