Economics (Irwin Economics)
21st Edition
ISBN: 9781259723223
Author: Campbell R. McConnell, Stanley L. Brue, Sean Masaki Flynn Dr.
Publisher: McGraw-Hill Education
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Chapter 32.A, Problem 1AP
To determine
Relationship of the Aggregate Demand Curve to the Aggregate Expenditures Model.
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$75 150 225
Investment ($)
Price Level
AS
Q₁
Real GDP
Investment
Demand
$50 100 150
Investment ($)
AD, (/=$50)
Z
AD, (/=$150)
-AD, (/=$100)
Refer to the above diagrams, in which the numbers in parentheses near the AD1, AD2, and AD3 labels indicate the level of
investment spending associated with each curve. All figures are in billions. The economy is at point Y on the investment
demand curve. Given these conditions, what policy should the Fed pursue to achieve a noninflationary full-employment
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The total expenditure schedule in Macroland begins with these initial levels (in billions of dollars): Income = 1,000; Consumption = 900; Investment = 200; Government = 300; Net Exports = −100. If the MPC = 0.75 and income increases in increments of 200, find the equilibrium level of income. If full employment requires an income level of 2,000, what (if anything) should the government do? Indicate both the direction of the spending change and the size of the spending change.
Due to an increase in consumer wealth, there is a $40 billion autonomous increase in consumer spending in the economies of Westlandia and Eastlandia. Assuming that the aggregate price level is constant, the interest rate is fixed in both countries, and there are no taxes and no foreign trade, complete the accompanying tables to show the various rounds of increased spending that will occur in both economies if the marginal propensity to consume is 0.5 in Westlandia and 0.75 in Eastlandia. What do your results indicate about the relationship between the size of the marginal propensity to consume and the multiplier?
Chapter 32 Solutions
Economics (Irwin Economics)
Ch. 32.7 - Prob. 1QQCh. 32.7 - Prob. 2QQCh. 32.7 - Prob. 3QQCh. 32.7 - Prob. 4QQCh. 32.A - Prob. 1ADQCh. 32.A - Prob. 2ADQCh. 32.A - Prob. 1ARQCh. 32.A - Prob. 2ARQCh. 32.A - Prob. 1APCh. 32.A - Prob. 2AP
Ch. 32 - Prob. 1DQCh. 32 - Prob. 2DQCh. 32 - Prob. 3DQCh. 32 - Prob. 4DQCh. 32 - Prob. 5DQCh. 32 - Prob. 6DQCh. 32 - Prob. 7DQCh. 32 - Prob. 8DQCh. 32 - Prob. 9DQCh. 32 - Prob. 1RQCh. 32 - Prob. 2RQCh. 32 - Prob. 3RQCh. 32 - Prob. 4RQCh. 32 - Prob. 5RQCh. 32 - Prob. 6RQCh. 32 - Prob. 7RQCh. 32 - Prob. 8RQCh. 32 - Prob. 9RQCh. 32 - Prob. 1PCh. 32 - Prob. 2PCh. 32 - Prob. 3PCh. 32 - Prob. 4PCh. 32 - Prob. 5P
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- Refer to the accompanying figures, with consumption schedules in figure (A) and saving schedules in figure (B), which correspond to each other across different levels of disposable income. If, in figure (A), consumption shifts from A2 to A3 because of a change in taxes, then in figure (B) line B2 will shift to B3. B1 will shift to B2. B2 will shift to B1. B3 will shift to B2.arrow_forwardThe chart below gives the data necessary to make a Keynesian cross diagram. Assume that the tax rate is 0.4 of national income, the MPC out of after-tax income is 0.9, investment is 58, government spending is 60, exports are 40, and imports are 0.1 of after-tax income. Alt Text: This chart contains the following columns: National Income, After-tax income, Consumption, I+G+X, Minus Imports, and Aggregate Expenditures. The National Income Column contains the following values for each of the following rows: 100, 200, 300, 400, 500, and 600. The only other value provided is the consumption, 104, for national income, 100. What is the equilibrium level of national income for this economy? A) Y=200 B) Y=400 C) Y=300 D) Y=500arrow_forwardAt an intial point on the aggregate demand curve, the price level is 100, the real GDP is $18 trillion. After the price level rises to 110, however there is an upward movement along the aggregate demand curve, and real GDP declines to $14 trillion. If total planned spending declines by $200 billion in response to the increase in the price level, what is the MPC in this economy?arrow_forward
- Assume the current equilibrium level of income is $200 billion as compared to the full-employment income level of $240 billion and that consumption is the only component of aggregate expenditures that depends upon the level of GDP. If the MPC is 5/8, what change in aggregate expenditures is needed to achieve full employment?arrow_forwardYou are given the following information about aggregate demand at the existing price level for an economy: (1) consumption = $500 billion, (2) investment = $50 billion, (3) government purchases = $100 billion, and (4) exports = $20 billion, imports = $40 billion. If the full-employment level of GDP for this economy is $700 billion. Marginal Propensity to Consume (MPC) of the economy is 0.5. How much government purchases would be closing the GDP-gap here? Explain your answer, and show your calculation.arrow_forwardInvestment spending rises by $200. Make a table showing the effect on I, C, and GDP for each of 3 rounds and the total effect after all possible rounds are completed if the MPC = 0.6 Use the table I present in my video lectures #1 and #2 as your guidefor format. Draw an AD/AS diagram showing the effect of the above on real GDP if we are far to the left of QN so the SRAS curve is flat. Be sure to include the numbers from the table on your diagram in their correct places. Start with AD0 and Q0, then show the effect of rounds 1 and 2 with AD1, Q1, AD2, and Q2. After you have done the first 2 rounds, skip ahead to showing the final AD curve and the final Q (ADF and QF). Remember to include the numerical distance covered from Q0 to QF on your diagram. I did this in video 2, so review that help you with this. Think carefully on whether the AD curve is shifting to the right or to the left. Remember, shifts to the right are increases and to the left are decreases.arrow_forward
- The rate of output and planned expenditures for the economy of Timbuktu are shown in the following table: Total Output Planned Aggregate Expenditures (Two-Sector Economy)(Real GDP in billion dollars) (in billions) 5,000 5,250 5,500 5,500 6,000 5,750 6,500 6,000 7,000…arrow_forwardAs you know equilibrium occurs where Y = AE. That is, where aggregate output equals planned aggregate expenditure. Remember that planned aggregate expenditure in an economy with a government is AE = C +I+ G, so equilibrium is Y = C+I+ G. If output (Y) exceeds planned aggregate expenditure (C +I+G), there will be an unplanned increase in inventories. That means actual investment will exceed planned investment. Conversely, if C+I+G exceeds Y, there will be an unplanned decrease in inventories. Assume that MPS is 0.25 and autonomous consumption is 100 (autonomous consumption is defined as the expenditures that consumers must make even when they have no disposable income). Assume also that government spending (G) is 200 and the government is running a balanced budget. Assume also that planned investment (I) is 150. a) Write the consumption and saving functions (equations) b) Calculate the planned AE at any three levels of aggregate output (income) and unplanned inventory changes…arrow_forwardThe following table shows consumption (C), investment spending (I), and government purchases (G), for some hypothetical economy at several levels of income (reported in billions of dollars of real GDP). Assume that in this economy, income is taxed at a rate of 25%, base consumption is $50 billion, and that the marginal propensity to consume (MPC) is 0.667, or 2/3. Further assume that this economy is closed, that is, there is no international trade and so net exports are always equal to zero. Use the given information to fill in disposable income, consumption, and planned expenditures in the following table. Income: Real GDP Disposable (After Tax) Income C Ip G Planned Expenditures (Billions of dollars) (Billions of dollars) (Billions of dollars) (Billions of dollars) (Billions of dollars) (Billions of dollars) 0 0 50 100 50 100 100 50 200 100 50 300 100 50 400 100 50 500 100 50…arrow_forward
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