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Macroeconomics, 9th Canadian Edition
Macroeconomics, 9/e
Campbell R. McConnell, University of Nebraska, Lincoln
Stanley L. Brue, Pacific Lutheran University
Thomas P. Barbiero, Ryerson University

Building the Aggregate Expenditures Model

Quick Quiz



1

In the Aggregate Expenditures model, the level of employment in the short run depends on...
A)The level of inflation
B)The level of total spending
C)The level of productivity
D)The value of potential GDP
2

Which of the following is true?
A)DI=C+S, where DI=disposable income, C=consumption spending, and S=saving
B)S=DI-C
C)C=DI-S
D)All of the above
3

For a given level of disposable income, as...
A)As S <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0070886695/37629/arrowup.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a> , C <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0070886695/37629/arrowup.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>
B)As C <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0070886695/37629/arrowup.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a> , S <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0070886695/37629/arrowdn.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>
C)As S <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0070886695/37629/arrowup.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a> , DI <a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0070886695/37629/arrowup.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>
D)None of the above
4

A given household has the following consumption/savings behaviour at different levels of disposable income (DI) per week:
DIC
150180
200200
230220
260240
290260
320280
350300

What is the value of savings (S) for a household earning disposable income of $260 per week?
A)$20
B)$45
C)$30
D)$50
5

Using the previous chart, if household disposable income increases from $260 to $290 per week, the marginal propensity to consume (MPC) is...
A)0.4
B)0.53
C)0.67
D)0.72
6

Using the previous chart, if a household's disposable income increases from $200 per week to $230 per week, what is its marginal propensity to save (MPS)?
A)0.22
B)0.33
C)0.4
D)0.67
7

When C>DI, for a given household...
A)Savings will be positive
B)The marginal propensity to save will be high.
C)Savings will be negative
D)None of the above
8

Which of the following would cause an upward shift of the consumption schedule?
A)An increase in a household's wealth
B)Households expect prices to fall in the future
C)An increase in disposable income
D)None of the above
9

Which of the following would cause a downward shift of the savings schedule?
A)Expectations of increased income in the future
B)Expectations of reduced income in the future
C)A decrease in income taxes.
D)None of the above
10

The text implies that a business will continue to spend on investment as long as...
A)The real interest rate (i) exceeds the expected rate of return (r)
B)The expected rate of return (r) exceeds the real interest rate (i)
C)The expected rate of return (r) just equals the real interest rate (i)
D)None of the above
11

Why is the investment demand curve downward sloping?
A)As the real interest rate increases, the quantity of investment demanded increases, all else equal
B)As the real interest rate falls, the quantity of investment demanded increases, all else equal
C)As the real interest rate falls, the quantity of investment demanded falls, all else equal
D)None of the above
12

A decrease in expected returns for a business will most likely cause...
A)An upward movement along the investment demand curve
B)A downward movement along the investment demand curve
C)A rightward shift of the investment demand curve
D)A leftward shift of the investment demand curve.
13

Assuming a private, closed economy, if GDP>AE (aggregate expenditure)
A)Inventories will decrease, and employment and income will tend to increase
B)Inventories will increase, and employment and income will tend to increase
C)Inventories will decrease and employment and income will tend to decrease.
D)Inventories will increase and employment and income will tend to decrease
14

Suppose the Canadian economy is in a position such that its actual Real GDP<equilibrium Real GDP. In this position,
A)AE>GDP, inventories build up, and firms will lay off workers as the economy experiences a recession (HINT: Draw the diagram)
B)GDP>AE, inventories are reduced, and firms will lay off workers as the economy experiences a recession
C)AE>GDP, inventories are reduced, and firms will hire more workers as the economy begins to expand.
D)AE=GDP and the economy will remain at full employment
15

Equilibrium GDP occurs when...
A)Real GDP=Aggregate Expenditure
B)Consumption=Savings
C)Nominal Income=Real Income
D)All of the above
16

Savings are an example of...
A)Injections because they represent an addition to the spending stream and help increase Real GDP
B)Leakages because they represent an addition to the spending stream, and reduce Real GDP
C)Injections because they represent a withdrawal of potential spending from the economy and this reduces Real GDP
D)Leakages because they represent a withdrawal of potential spending from the economy and this reduces Real GDP
17

An upward shift of the Aggregate Expenditures schedule (C+Ig) will...
A)Increase aggregate expenditures, but decrease equilibrium Real GDP
B)Decrease aggregate expenditures, but increase equilibrium Real GDP
C)Increase both aggregate expenditures and equilibrium Real GDP
D)Decrease both aggregate expenditures and equilibrium Real GDP
18

Suppose that, in a given economy, each household has an MPC=0.8. If gross business investment increases by $10 million, what is the total change in Real GDP?
A)$10 million
B)$25 million
C)$40 million
D)$50 million
19

An increase in country A's Real GDP from $200 billion to $250 billion results in its imports rising from $10 billion to $20 billion. What is this country's marginal propensity to import?
A)0.1
B)0.2
C)0.3
D)0.5
20

An open economy has MPC=0.6 and MPM=0.2. The open economy multiplier is...
A)1.25
B)1.67
C)1.84
D)2.5
21

An increase in the value of the Canadian dollar relative to other countries will...
A)Reduce net exports (Xn), shift the aggregate expenditure schedule upward, and increase Real GDP
B)Increase net exports, shift the aggregate expenditure schedule upward, and increase Real GDP
C)Reduce net exports, shift the aggregate expenditure schedule downward, and reduce Real GDP
D)Increase net exports, shift the aggregate expenditure schedule downward, and increase Real GDP
22

The balanced budget multiplier is equal to...
A)0.25
B)0.5
C)1
D)2
23

Suppose that economy X has a full employment level of $700 billion. Further, its aggregate expenditure schedule (AE=C+Ig+G+Xn) cuts the 45° line at Real GDP of $630 billion. The economy is in a(n)...
A)Inflationary gap of $70 billion
B)Recessionary gap of $30 billion
C)Situation in which equilibrium Real GDP equals full employment GDP
D)Recessionary gap of $70 billion
24

Which of the following statements is true regarding the AE model?
A)It assumes that the price level remains constant during the analysis
B)It is capable of explaining cost-push inflation
C)It can use the concept of inflationary gap to measure the rate of inflation in the economy
D)None of the above
25

In an inflationary gap...
A)The economy's unemployment rate is greater than the natural unemployment rate
B)The economy's unemployment rate is less than the natural unemployment rate.
C)The economy's unemployment rate is equal to the natural unemployment rate
D)There is no frictional unemployment present in the economy




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