The price of an airline ticket rises as the amount of time between purchase and flight
departure gets smaller. The airlines base the policy on the assumption that
a. consumers are not aware of airline prices.
b. consumer demand is unrelated to prices.
c. consumer demand becomes more elastic as departure time approaches.
d. consumer demand becomes more inelastic as departure time approaches.
When oil prices increased to record levels in the 1970s, salaries dramatically increased
for petroleum geologists skilled in finding oil. Those geologists who moved from other
areas to the higher paying jobs were
a. seeking to profit from society’s needs rather than following the guidance of the
invisible hand, which would have led them to seek jobs serving society rather than jobs
with higher pay.
b. following the guidance of the invisible hand and probably serving society’s best
interests as well as their own.
c. causing oil prices to rise even more by moving to jobs with higher salaries.
d. helping themselves but hurting the economy.
According to public choice theory, tariffs, quotas, and other trade restrictions are
primarily the result of the
a. political clout of foreigners.
b. political clout of domestic consumers.