1) (Last Word) In recent years:
A.significant changes in the price of oil have had much less effect on the U.S. economy
than did similar changes in oil prices in previous decades.
B.large increases in the price of oil have reduced U.S. aggregate supply and caused
cost-push inflation.
C.large decreases in the price of oil have increased U.S. aggregate supply and caused
deflation.
D.the United States has become a net exporter of oil.
2) when an economy’s production capacity is expanding:
a.nominal gdp, but not necessarily real gdp, is rising.
b.net exports is always a positive amount.
c.di exceeds pi.
d.domestic investment exceeds depreciation.
3) if depreciation (consumption of fixed capital) exceeds domestic investment, we can
conclude that:
a.nominal gdp is rising but real gdp is declining.
b.net investment is negative.
c.the economy is importing more than it exports.
d.the economy’s production capacity is expanding.
4) one can say with certainty that equilibrium quantity will increase when supply:
a.and demand both decrease.
b.increases and demand decreases.
c.decreases and demand increases.
d.and demand both increase.