17) if real gdp rises and the gdp price index has increased:
a.the percentage increase in nominal gdp must have been less than the percentage
increase in the price level.
b.nominal gdp may have either increased or decreased.
c.nominal gdp must have increased.
d. nominal gdp must have fallen.
18) If the marginal propensity to consume in an economy is 0.8, net exports are zero,
and government spending is $33 billion at each level of real GDP, the slope of the
economy’s aggregate expenditures schedule will be:
A..8.
B..2.
C.5.
D..125.
19) if a regulatory commission forces a natural monopoly to charge a price equal to its
marginal cost:
a.the monopoly may incur a loss.
b.resource allocation will be worsened.
c.output will decrease.
d.the firm will earn only a normal profit.
20) suppose that in 2007 ford sold 500,000 mustangs at an average price of $18,800 per
car; in 2008, 600,000 mustangs were sold at an average price of $19,500 per car. these
statements:
a.suggest that the demand for mustangs decreased between 2007 and 2008.
b.suggest that the supply of mustangs must have increased between 2007 and 2008.
c.suggest that the demand for mustangs increased between 2007 and 2008.
d.constitute an exception to the law of demand in that they suggest an upsloping
demand curve.