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Practice for our Third Exam in  Macroeconomics



Multiple Choice
Enter your name above. Select the best answer from the drop-down box next to the question. When you have answered all of the questions, submit them for grading using the button at the bottom of the page. This is just for practive, not for a grade.
 

 1. 

Which is true of disposable income?
A)
it excludes transfer payments
B)
the portion of income is used solely for consumption
C)
it is that part of aggregate income that is taken in taxes by government
D)
all of disposable income contributes directly to aggregate expenditure
E)
disposable income equals consumption expenditures plus saving
 

 2. 

Contrary to what Keynes claimed, the evidence suggests that as Disposable Income increases, the proportion of disposable income that is saved
A)
increases
B)
decreases
C)
remains relatively constant
D)
decreases and also decreases in absolute dollar amount
E)
increases; however, it decreases in absolute dollar value
 

 3. 

The marginal propensity to consume
A)
is the proportion of disposable income consumed
B)
is the reciprocal of the ratio of disposable income to saving
C)
is the change in consumption relative to a change in disposable income
D)
minus the marginal propensity to save must equal 1
E)
is greater than 1 at all levels of income
 

 4. 

When income rises from $6.0 trillion to $6.4 trillion, consumption rises from $5.5 trillion to $5.8 trillion. What is the slope of the aggregate expenditure line? (Assume there is neither international trade nor any government.)
A)
0.25
B)
0.33
C)
0.67
D)
0.75
E)
1.33
 

 5. 

A change in which of the following is least likely to cause a shift in the consumption function?
A)
the saving rate
B)
consumer expectations about future prices
C)
household wealth
D)
investment spending
E)
the interest rate
 

 6. 

Expectations that the price level will increase in the future will
A)
shift the current consumption function upward
B)
make the current consumption function steeper
C)
make the current consumption function flatter
D)
result in a movement downward along the current consumption function
E)
have no effect on the current consumption function
 

 7. 

Expectations that disposable income will increase in the future will
A)
shift the current consumption function up
B)
shift the current consumption function down
C)
result in a movement upward along the current consumption function
D)
make the current consumption function flatter
E)
make the current consumption function steeper
 

 8. 

Which of the following would shift the consumption function downward?
A)
a decrease in stock prices
B)
a lower interest rate
C)
a lower price level
D)
lower disposable income
E)
expectations of higher future prices
 

 9. 

The life-cycle model was designed, in part, to explain
A)
why poor nations save more than do rich nations
B)
why poor nations save a larger fraction of disposable income than do rich nations
C)
why the fraction of total disposable income that is saved seems to remain constant as an economy grows
D)
how the saving rate varies over an economy's life-cycle
E)
Keynes' contention that too much saving can cause recessions
 

 10. 

A grocery store manager has $600 in cash with which to buy a rug cleaner. Rental income from the cleaner would be about $75 per year. The interest rate is 11 percent. Should the manager buy the machine?
A)
Yes, since the rate of return is greater than the rate of interest.
B)
Yes, since the manager does not have to borrow the money the interest rate is irrelevant.
C)
No, since the yield of $75 is less than the interest cost of 11 percent.
D)
No, since the rate of return is less than the interest rate.
E)
Yes, since the return of $75 is greater than 11 percent.
 

 11. 

An increase in the rate of interest, other things equal, would
A)
have no effect on investment
B)
increase the amount invested since the rate of return would be lower
C)
increase the amount invested because income would rise
D)
reduce the amount invested because the opportunity costs of investing would be higher
E)
increase the amount invested because the rate of return would be higher
 

 12. 

Mr. Green is considering four possible investment opportunities, each of which would cost him $5,000. He expects annual returns on these investments of $600, $500, $400, and $300. If the interest rate is 7 percent, how many of these opportunities should Mr. Green undertake?
A)
one
B)
two
C)
three
D)
four
E)
none
 

 13. 

On a graph showing investment along the vertical axis and income along the horizontal axis,
A)
the investment line slopes downward
B)
the investment line would shift upward if income increased
C)
the investment line would shift downward if the interest rate increased
D)
investment is the independent variable and income is the dependent variable
E)
the investment line would shift downward if income increased
 

 14. 

If investment is autonomous, which of the following is least likely to have an effect on the level of investment?
A)
a change in the rate of interest
B)
a change in the level of income
C)
a change in the level of optimism or pessimism about the economy as a whole
D)
a change in the expected profitability of investment projects
E)
a change in the rate of inflation
 

 15. 

Investment
A)
is about as volatile as consumption, except during recession years
B)
has averaged about one-sixth of GDP over the past decade
C)
is about as volatile as GDP, except during recession years
D)
is the largest component of aggregate spending
E)
has averaged about two-thirds of GDP over the past decade
 



 
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