EC140 Lecture Notes - Disposable And Discretionary Income, Autonomous Consumption, Xm Satellite Radio
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| a) | In the AD-AS model, stagflation does not persist, because the working of the self-correcting mechanism of the economy _____ the level of output and _____ the price level until the economy eventually returns to a long-run equilibrium state, where actual output _____ potential output.
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| b) | The LRAS curve is drawn as a vertical line at potential output (Y*) to indicate that
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| c) | Stagflation arises in the context of the AD-AS model when some external factor causes
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| d) | If the SRAS curve is positively sloped, then a decrease in the demand for Canadian-made goods in Europe will lead to _____ in the price level, in the short run.
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| e) | Which of the following will shift the aggregate demand curve to the right?
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| f) | Suppose a stock market crash decreases the stock of household wealth and therefore causes autonomous consumption to fall. Which of the following is the likely result?
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| g) | An economy is characterized by the AD equation P = 200 ? 0.02Y, SRAS equation P = 100 and LRAS equation Y* = 5000. In the absence of any change in policy or exogenous shocks, this economy will achieve a long-run price level of
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| h) | The AD-AS model depicts a self-correcting economy. This means that the price level in the model adjusts automatically in response to a(n) _____ gap, so as to eliminate the _____ gap in the long run, without requiring any help from government policies.
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| i) | The aggregate demand curve shows
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| j) | Consider an economy initially at long-run equilibrium with output (Y) equal to potential output (Y*). If the SRAS is positively sloped, then a shift to the right of the AD curve will lead to _____ in the price level, in the short run. In the long run, the SRAS curve will shift to the _____ and the equilibrium will be at __________.
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Question 1
Which of the following describes the relationship between the change in inventories and aggregate expenditure?
| A. | Aggregate expenditure equals the change in inventories minus GDP. |
| B. | The change in inventories equals GDP divided by aggregate expenditures. |
| C. | Aggregate expenditures equals GDP divided by the change in inventories. |
| D. | Aggregate expenditures equals GDP minus the change in inventories. |
| E. | The change in inventories equals GDP multiplied by aggregate expenditure. |
1 points
Question 2
Suppose the marginal propensity to consume is 0.80 and taxes decrease by $10 billion. Which of the following is true?
| A. | Disposable income and consumption fall by $10 billion |
| B. | Disposable income and consumption rise by $10 billion |
| C. | Disposable income rises by $10 billion and consumption rises by $8 billion |
| D. | Disposable income falls by $10 billion and consumption falls by $8 billion |
| E. | Disposable income rises by $10 billion and consumption falls by $8 billion |
1 points
Question 3
If aggregate expenditure at a particular level of income is less than output,
| A. | output will increase |
| B. | output will decrease |
| C. | output will remain the same |
| D. | output will rise slightly and then level off |
| E. | we cannot determine what will happen to output |
1 points
Question 4
The consumption function
| A. | illustrates the relationship between real disposable income and real consumption spending |
| B. | illustrates the relationship between the price level and real consumption spending |
| C. | is the relationship between productivity and real consumption spending |
| D. | shows how real consumption increases when real disposable income decreases |
| E. | illustrates the relationship between real consumption spending and employment |
1 points
Question 5
The focus of the short-run macro model is on the role of
| A. | spending in explaining economic fluctuations |
| B. | labor in explaining economic fluctuations |
| C. | financial markets in explaining economic fluctuations |
| D. | output in explaining economic fluctuations |
| E. | resources in explaining economic fluctuations. |
1 points
Question 6
If the output level is such that the aggregate expenditure line lies below the 45-degree line, which of the following is true?
| A. | Aggregate expenditure is greater than output, so inventories will increase and output will be raised. |
| B. | Aggregate expenditure is greater than output, so inventories will decrease and output will be increased. |
| C. | Aggregate expenditure is less than output, so inventories will decrease and output will be raised. |
| D. | Aggregate expenditure is less than output, so inventories will increase and output will be lowered. |
| E. | Aggregate expenditure is greater than output, so inventories will increase and output will be lowered. |
1 points
Question 7
If the marginal propensity to consume is 0.7, the expenditure multiplier is
| A. | 7.0 |
| B. | 0.7 |
| C. | 3.0 |
| D. | 3.3 |
| E. | not determinable without additional information. |
1 points
Question 8
Aggregate expenditure is the sum of
| A. | all types of spending by households and firms |
| B. | spending and savings by households |
| C. | spending by households and governments on final goods and services |
| D. | spending by households, government, firms, and foreigners on final goods and services |
| E. | all spending and saving by households, firms, and governments |
1 points
Question 9
If the marginal propensity to consume is 0.5 and disposable income increases by $10,000, by how much will consumption spending increase?
| A. | $10,000 |
| B. | $500 |
| C. | $50 |
| D. | $5,000 |
| E. | $9,524 |
1 points
Question 10
When real consumption expenditure is plotted against real disposable income the resulting relationship is
| A. | very weak. |
| B. | virtually flat . |
| C. | positive and very close to linear. |
| D. | negative and very close to linear. |
