1) The Arrow impossibility theorem shows that
a.democracy should be abandoned as a form of government.
b.it is impossible to improve upon democratic voting methods as a mechanism for
social choice.
c.all voting systems are flawed as a mechanism for social choice.
d.the median voter’s preferences will always win in a twoway vote.
2) Which of the following statements about comparative advantage is not true?
a.Comparative advantage is determined by which person or group of persons can
produce a given quantity of a good using the fewest resources.
b.The principle of comparative advantage applies to countries as well as to individuals.
c.Economists use the principle of comparative advantage to emphasize the potential
benefits of free trade.
d.A country may have a comparative advantage in producing a good, even though it
lacks an absolute advantage in producing that good.
3) In 2011, the poverty rate in the United States was 15 percent. This means that 15
percent
a.of the population had a total family income that fell below the poverty line.
b.of the population had a total family income that was above the poverty line.
c.of the population had a total family income below $10,000.
d.of the population had a total family income above $50,000.
4) The slope of the curve between points A
and B is
a.-5
b.-1/5