165
Barro
Chapter 16
TRUE/FALSE
1. A model with sticky prices and nominal wages is a disequilibrium model.
2. Menu costs are the posted prices of a firm.
3. In the short run in a model with sticky prices, a monetary surprise affects labor demand and real
output.
4. In the long run in a model with sticky prices, a monetary surprise affects labor demand and real output.
5. A new Keynesian model produces a countercyclical pattern of the average product of labor while in
the data the average product of labor is weakly procyclical.
6. In the new Keynesian model, an increase in household consumption will increase output by more than
the original increase in consumption.
7. In the new Keynesian model, a monetary expansion will decrease output in the short run.
8. In a model with imperfect competition, a firm will set its price equal to its nominal marginal cost.
9. In the Keynesian model with sticky nominal wages, the nominal wage rate is fixed above its market-
clearing value.
10. In the Keynesian model with sticky nominal wages, a monetary expansion does not affect the real
wage rate.
11. The Federal Funds rate is determined in the market for bonds issued by the U.S. Treasury.
MULTIPLE CHOICE
1. Menu costs are:
a.
the posted prices of a firm.
c.
are set by the government.
b.
the costs of changing prices.
d.
are the long run costs of the firm.
2. Sticky prices are:
a.
real prices that do not rapidly respond to
changed circumstances.
c.
nominal prices that do not rapidly respond
to changed circumstances.
b.
prices set by government.
d.
prices that can never be changed.
3. In the model of price setting, the demand for the firms product is:
a.
positively related to real income in the
economy.
c.
negatively related to the real wage the
firm pays.
b.
positively related to the firms price
relative to the price level.
d.
all of the above.
4. In the model of price setting, the demand for the firms product is:
a.
negatively related to real income in the
economy.
c.
negatively related to the real wage the
firm pays.
b.
negatively to the firms price relative to the
price level.
d.
all of the above.
5. A firm’s markup ratio is:
a.
its price relative to the price level.
c.
it price relative to its marginal costs.
b.
the price level relative to its marginal
costs.
d.
its marginal cost relative to the price level.
6. In the model of price setting, the demand for the firm’s price is:
a.
positively related to the markup ratio.
c.
negatively related to the firm’s marginal
product of labor.
b.
positively related to the nominal wage the
firm pays.
d.
all of the above.
7. In the model of price setting, the demand for the firm’s price is:
a.
positively related to the markup ratio.
c.
positively related to the firm’s marginal
product of labor.
b.
negatively related to the nominal wage the
firm pays.
d.
all of the above.
8. In the model of price setting, the demand for the firm’s price is:
a.
negatively related to the markup ratio.
c.
positively related to the firm’s marginal
product of labor.
b.
positively related to the nominal wage the
firm pays.
d.
all of the above.
9. In the model of price setting, the demand for the firm’s price is:
a.
negatively related to the markup ratio.
c.
negatively related to the firm’s marginal
product of labor.
b.
negatively related to the nominal wage the
firm pays.
d.
all of the above.
10. In the model with sticky prices, in the short run a positive monetary shock leads to:
a.
an increase in household real money
balances.
c.
no change in household’s desired real
money balances.
b.
an increase in household’s demand for
goods.
d.
all of the above.
11. In the model with sticky prices, in the short run a positive monetary shock leads to:
a.
an increase in household real money
balances.
c.
an increase in house hold’s desired real
money balances.
b.
a decrease in household’s demand for
goods.
d.
all of the above.
12. In the model with sticky prices, in the short run a positive monetary shock leads to:
a.
a decrease in household real money
balances.
c.
a decrease in household’s desired real
money balances.
b.
an increase in household’s demand for
goods.
d.
all of the above.
13. In the model with sticky prices, in the short run a positive monetary shock leads to:
a.
a decrease in household real money
balances.
c.
no change in household’s desired real
money balances.
b.
a decrease in household’s demand for
goods.
d.
all of the above.
14. In a model with sticky prices, a positive monetary shock would cause households:
a.
to spend more to try to get rid of the
excess money.
c.
to change optimal real money balances.
b.
to want to hold more money.
d.
all of the above.
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15. In the model with sticky prices, in the short run a positive monetary shock leads to:
a.
an increased supply of labor.
c.
a higher marginal product of labor.
b.
an increased demand for labor.
d.
all of the above.
16. In the short run with a model with sticky prices a positive monetary surprise:
a.
increases labor demand.
c.
increases the real wage.
b.
increases real output.
d.
all of the above.
17. In the short run with a model with sticky prices a positive monetary surprise:
a.
increases labor demand.
c.
leaves the real wage unchanged.
b.
decreases real output.
d.
all of the above.
18. In the short run with a model with sticky prices a positive monetary surprise:
a.
decreases labor demand.
c.
leaves the real wage unchanged.
b.
increases real output.
d.
all of the above.
19. In the short run with a model with sticky prices a positive monetary surprise:
a.
decreases labor demand.
c.
increases the real wage.
b.
decreases real output.
d.
all of the above.
20. In the short run with a model with sticky prices a negative monetary surprise:
a.
decreases labor demand.
c.
decreases the real wage.
b.
decreases real output.
d.
all of the above.
21. In the short run with a model with sticky prices a negative monetary surprise:
a.
decreases labor demand.
c.
increases the real wage.
b.
increases real output.
d.
all of the above.
22. In the short run with a model with sticky prices a negative monetary surprise:
a.
increases labor demand.
c.
increases the real wage.
b.
decreases real output.
d.
all of the above.
23. In the short run with a model with sticky prices a negative monetary surprise:
a.
increases labor demand.
c.
decreases the real wage.
b.
increases real output.
d.
all of the above.
24. In the short run in a model with sticky prices:
a.
the labor input is procyclical.
c.
the real wage rate in procyclical.
b.
the average product of labor is
d.
all of the above.
countercyclical.
25. In the short run in a model with sticky prices:
a.
the labor input is procyclical.
c.
the real wage rate in countercyclical.
b.
the average product of labor is procyclical.
d.
all of the above.
26. In the short run in a model with sticky prices:
a.
the labor input is countercyclical.
c.
the real wage rate in countercyclical.
b.
the average product of labor is
countercyclical.
d.
all of the above.
27. In the short run in a model with sticky prices:
a.
the labor input is countercyclical.
c.
the real wage rate in procyclical.
b.
the average product of labor is procyclical.
d.
all of the above.
28. In the long run in a model with sticky prices:
a.
prices will adjust.
c.
increase in prices reverse the short run
effects.
b.
money is neutral.
d.
all of the above.
29. In the long run in a model with sticky prices:
a.
prices will adjust.
c.
the short run effects persist.
b.
money still affects output.
d.
all of the above.
30. In the long run in a model with sticky prices:
a.
prices remain sticky.
c.
the short run effects persist.
b.
money is neutral.
d.
all of the above.
31. In the long run in a model with sticky prices:
a.
prices remain sticky.
c.
increase in prices reverse the short run
effects.
b.
money affects production.
d.
all of the above.
32. In a new Keynesian model:
a.
money is procyclical and money is weakly
procyclical in the data.
c.
the average product of labor is
countercyclical while the average product
of labor is weakly procyclical in the data.
b.
the price level is countercyclical and the
price level is countercyclical in the data.
d.
all of the above.
33. In a new Keynesian model:
a.
money is procyclical and money is weakly
procyclical in the data.
c.
the average product of labor is procyclical
while the average product of labor is
countercyclical in the data.
b.
the price level is procyclical and the price
level is procyclical in the data.
d.
all of the above.
34. In a new Keynesian model:
a.
money is countercyclical and money is
weakly countercyclical in the data.
c.
the average product of labor is procyclical
while the average product of labor is
countercyclical in the data.
b.
the price level is countercyclical and the
price level is countercyclical in the data.
d.
all of the above.
35. In new Keynesian model:
a.
money is countercyclical and money is
weakly countercyclical in the data.
c.
the average product of labor is
countercyclical while the average product
of labor is weakly procyclical in the data.
b.
the price level is procyclical and the price
level is procyclical in the data.
d.
all of the above.
36. In a new Keynesian model an increase in aggregate demand causes:
a.
an increase in real production greater than
the increase in aggregate demand.
c.
an increase in real production less than the
increase in aggregate demand.
b.
an increase in real production equal to
increase in aggregate demand.
d.
a decrease in real production.
37. In a new Keynesian model a temporary increase in output could be cause by:
a.
a positive monetary surprise.
c.
a positive shock to government purchases.
b.
households becoming exogenously more
thrifty.
d.
all of the above.
38. In a new Keynesian model a temporary increase in output could be cause by:
a.
a positive monetary surprise.
c.
a negative shock to government purchases.
b.
households becoming exogenously less
thrifty.
d.
all of the above.
39. In a new Keynesian model a temporary increase in output could be cause by:
a.
a negative monetary surprise.
c.
a negative shock to government purchases.
b.
households becoming exogenously more
thrifty.
d.
all of the above.
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40. In a new Keynesian model a temporary increase in output could be cause by:
a.
a negative monetary surprise.
c.
a positive shock to government purchases.
b.
households becoming exogenously less
thrifty.
d.
all of the above.
41. In the short run in a new Keynesian model an increase in money means:
a.
the price level must rise.
c.
the interest rate must rise.
b.
real GDP must rise.
d.
all of the above.
42. In the short run in a new Keynesian model an increase in money means:
a.
the price level must rise.
c.
the interest rate must fall.
b.
real GDP must fall.
d.
all of the above.
43. Unlike the price misperception model the new Keynesian models finds that:
a.
the price level is countercyclical as the
data show.
c.
the price level is procyclical as the data
show.
b.
the price level is countercyclical while the
data show it is procyclical.
d.
the price level is procyclical as the data
show it is countercyclical.
44. In a model with sticky nominal wages an increase in the money supply will:
a.
lower the real wage.
c.
increase the labor input.
b.
increase real output.
d.
all of the above.
45. In a model with sticky nominal wages an increase in the money supply will:
a.
lower the real wage.
c.
decrease the labor input.
b.
decrease real output.
d.
all of the above.
46. In a model with sticky nominal wages an increase in the money supply will:
a.
raise the real wage.
c.
decrease the labor input.
b.
increase real output.
d.
all of the above.
47. In a model with sticky nominal wages an increase in the money supply will:
a.
raise the real wage.
c.
increase the labor input.
b.
decrease real output.
d.
all of the above.
48. A result of a model with sticky nominal wages is:
a.
voluntary unemployment in the short run.
c.
money being countercyclical while in the
data money is weakly procyclical.
b.
a countercyclical real wage while in the
d.
all of the above.
172
data the real wage is procyclical.
49. A result of a model with sticky nominal wages is:
a.
involuntary unemployment in the short
run.
c.
money being countercyclical while in the
data money is weakly procyclical.
b.
a procyclical real wage as in the data.
d.
all of the above.
50. A reason that nominal wages might be sticky is:
a.
the government sets all wages.
c.
people having incomplete information
about wages at other jobs.
b.
contracts between workers and employers.
d.
all of the above.
51. The sticky-price model differs from the equilibrium business-cycle model in assuming that
a.
nominal goods prices do not react to
market changes quickly.
c.
real goods prices do not react to market
changes quickly.
b.
nominal goods prices react to market
changes quickly.
d.
real goods prices react to market changes
quickly.
52. The sticky-price model differs from the equilibrium business-cycle model in assuming that
a.
the typical producer takes as given the
price of his or her output.
c.
most goods are standardized and easily
traded in organized markets.
b.
the typical producer actively sets the price
of his or her output.
d.
most goods are traded in perfectly-
competitive markets.
53. The sticky-price model differs from the equilibrium business-cycle model in assuming that each
producer
a.
takes into account restaurant costs.
c.
takes into account menu costs.
b.
assumes costs of price changes equal zero.
d.
assumes restaurant costs are greater than
one.
54. A firm’s nominal marginal cost of production is
a.
the ratio of the marginal product of labor
to nominal wages.
c.
nominal wages minus the marginal
product of labor.
b.
nominal wages plus the marginal product
of labor.
d.
the ratio of nominal wages to the marginal
product of labor.
55. A firm’s nominal marginal cost of production is
a.
the nominal cost of producing an
additional unit of the good.
c.
equal to the marginal product of labor.
b.
the real cost of producing an additional
unit of the good.
d.
the same thing as a firm’s markup ratio.
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56. Under imperfect competiton, each firm
a.
has a nominal marginal cost equal to its
output price.
c.
will set its price below its nominal
marginal cost.
b.
can set its price above its nominal
marginal cost.
d.
none of the above.
57. If we observe in the market for automobiles that the auto price is above a firm’s nominal marginal
cost, then
a.
the firm is not maximizing profits.
c.
the market has imperfect competiton.
b.
the firm is not accounting for restaurant
costs.
d.
the firm takes as given its output price.
58. In the short-run in a sticky-price model, an increase in money shifts the
a.
supply curve for labor rightward.
c.
demand curve for labor leftward.
b.
supply curve for labor leftward.
d.
demand curve for labor rightward.
59. In the short-run in a sticky-price model, a decrease in money shifts the
a.
demand curve for labor leftward.
c.
supply curve for labor rightward.
b.
supply curve for labor leftward.
d.
demand curve for labor rightward.
60. In the short-run in a sticky-price model, where the product’s price is fixed by assumption, an increase
in demand for a firm’s product will lead to
a.
a decrease in production.
c.
no change in production.
b.
an increase in production.
d.
a decrease in firm profits.
61. Labor hoarding means that
a.
workers are motivated to remain out of the
labor market during a recession.
c.
employers are motivated to retain workers
even during a recession.
b.
workers are motivated to work additional
hours during an expansion.
d.
workers are motivated to work fewer
hours during an expansion.
62. Labor hoarding may occur because
a.
firms face costs in hiring and firing
workers.
c.
firms want to have labor available for the
next economic upturn.
b.
workers face costs in the decision to enter
the labor force.
d.
both (a) and (c).
63. The new Keynesian model may exhibit a multiplier effect, which implies that
a.
the rise in output may be greater than the
initial expansion in aggregate demand.
c.
the rise in labor supply may be greater
than the initial expansion in aggreagate
demand.
b.
the rise in output will be lower than the
initial expansion in aggregate demand.
d.
the rise in labor supply will be lower than
the initial expansion in aggreagate
demand.
64. In the new Keynesian model, an increase in household consumption will
a.
increase saving.
c.
increase output by less than the increase in
consumption.
b.
increase output by more than the increase
in consumption.
d.
not affect output.
65. The Federal Funds rate is
a.
the 10-year nominal interest rate in the
Federal Funds market.
c.
the overnight nominal interest rate in the
Federal Funds market.
b.
the 10-year real interest rate in the Federal
Funds market.
d.
the overnight nominal interest rate in the
Eurodollar market.
66. The Federal Funds rate applies
a.
mostly to 30-year home mortgages.
c.
to the Eurodollar market.
b.
mostly to the IMF (International Monetary
Fund).
d.
to the inter-bank market.
67. A shortcoming of a constant-growth-rate rule for money is that
a.
the Fed must have advance knowledge
about future quantities of real money
demanded.
c.
households may not understand how the
Fed funds rate affects them.
b.
the Fed must have an accurate measure of
currency.
d.
it does not allow the nominal interest rate
to respond to variations in the real
quantity of money demanded.
SHORT ANSWER
1. What are sticky prices and when might prices be sticky?
2. In a model of price setting what determines firm j’s price?
3. What are the effects of a positive monetary surprise in the short run a model with sticky prices?
4. What are the long run effects of a monetary surprise in a model with sticky prices?
5. What are the effects of a monetary surprise in a model with sticky nominal wages?
6. When would a constant-growth rate rule for money work well, and when would it be difficult to use?
7. In the Keynesian model with sticky nominal wages, what is the short-run impact from a monetary
expansion?