1) economic profit in the long run is:
a.possible for both a pure monopoly and a pure competitor.
b.possible for a pure monopoly, but not for a pure competitor.
c.impossible for both a pure monopolist and a pure competitor.
d.only possible when barriers to entry are nonexistent.
2) cost-of-living adjustment clauses (colas):
a.invalidate the “rule of 70.”
b.apply only to demand-pull inflation.
c.increase the gap between nominal and real income.
d.tie wage increases to changes in the price level.
3) the system that measures the economy’s overall performance is formally known as:
a.national income accounting
b.business cycle measurement
c.gdp assessment
d.final output and income statistics
4) the percentage of u.s. adults with a high school education or above has:
a.remained constant since the 1960s.
b.risen from 8 percent in 1960 to 29 percent in 2007.
c.risen to over 90 percent in the twenty-first centure.
d.risen from 41 percent in 1960 to 86 percent in 2007.
5) (Advanced analysis) Assume the saving schedule for a private closed economy is S =
-20 + 0.2Y, where S is saving and Y is gross domestic product. The multiplier for this
economy is:
A.3.
B.4.
C.5.
D.10.