MACROECONOMICS
14th Edition
ISBN: 9781337794985
Author: Baumol
Publisher: CENGAGE L
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Question
Chapter 9, Problem 6TY
To determine
To calculate: The equilibrium level of
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Using the table below to answer the following questions. Assume all values represent trillions of dollars.
Construct a graph of the Aggregate planned expenditure
What is the equilibrium expenditure?
Explain what happens at a real GDP of $4 trillion dollars. (Note the aggregate
expenditures and the effects on inventories)
What are your total autonomous expenditures?
What is the marginal propensity to consume?
Ignoring imports and income taxes, what is the multiplier?
If investment increases by $1.5 trillion, what is the change in real GDP?
In the economy of Keynesian Island, autonomous consumption expenditure is $50 million, and the marginal propensity to consume is 0.8. Investment is $160 million, government expenditure is $190 million, and net taxes are $250 million. Investment, government purchases, and taxes are constant—they do not vary with income. The island does not trade with the rest of the world.
If the government increases its purchases by $200 million, what will be the change in the economy's equilibrium real GDP? Show the change on the graph as well.
Chapter 14
Explain the basic idea of the expenditure multiplier and the role consumers play.
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- Explain the concept of the spending multiplier.arrow_forwardUse the following information on economy X to answer the questions below.Consumption function: C = 250 + 0.8Y Investment spending: I = 150 Government spending: G = 500 Exports of goods and services: X = 200 Imports of goods and services: Z = 150 Proportional tax rate: t =25%Full employment level of income = 3575 1. Calculate the equilibrium income for the economy. 2. Calculate the change in government spending required to reach (3) full employment level of income.arrow_forwardUse the following information on economy X to answer the questions below.Consumption function: C = 250 + 0.8Y Investment spending: I = 150 Government spending: G = 500 Exports of goods and services: X = 200 Imports of goods and services: Z = 150 Proportional tax rate: t =25%Full employment level of income = 3575 1. Calculate total autonomus spending for economy X. 2. Calculate the multiplier for economy X.arrow_forward
- Chapter 11 Answer exercises 11-14 on the basis of the following information. Assume that equilibrium real GDP is $ 800 billion, potential real GDP is $ 950 billion, the MPC is .80, and the MPI is .40. 11.What is the size of the GDP gap? 12.How much must government spending increase to eliminate the GDP gap? 13. How much taxes fall to eliminate the GDP gap? 14. If government spending and taxes both change by the same amount, how much must they change to eliminate the recessionary gap? 15. Suppose the MPC is .90 and the MPI is .10. If government expenditures go up $ 100 billion while taxes fall $ 10 billion, what happens to the equilibrium level of real GPD? Use the following equations for exercises 16-18 C = $ 100 + .8 Y I = $ 200 G = $ 250 X = $100 - .2 Y 16. What is the…arrow_forwardSuppose that the consumer’s consumption demand function is given by Cd = 0.8(Y−T)+10. Investment is Id = 20, government expenditure is G = 10, and tax is T = 10. What is the equilibrium GDP (income)? Suppose that government expenditure increases by 10 units while tax is unchanged. How will GDP change? What is the multiplier? Suppose that government expenditure increases by 10 units while tax also increases by 10 units. How will GDP change? What is the multiplier?arrow_forwardUse the following information on economy X to answer the questions below. Consumption function: C = 250 + 0.8Y Investment spending: I = 150 Government spending: G = 500 Exports of goods and services: X = 200 Imports of goods and services: Z = 150 Proportional tax rate: t =25% Full employment level of income = 3575 a) Calculate total autonomus spending for economy X. b) Calculate the multiplier for economy X. c) Calculate the equilibrium income for the economy. d) Calculate the change in government spending required to reach full employment level of income.arrow_forward
- 1) Determine the value of the multiplier for this economy, and find the equilibrium value of Y.arrow_forwardThe following equations describe an economy: Y = C + I + G + X – M [where X=exports, M=imports] C = 150 + 0.7*(Y - T) T = 30 I = 300 G = 60 X = 140 M = 100 + 0.2*(Y - T) Which of the following statement is true? The value of the government spending multiplier is 3.33. If exports increase by 10, equilibrium Y will increase by 20. If government spending increases by 40, equilibrium Y will increase by 333. Without any changes, the equilibrium level of Y is 2167.arrow_forwardExplain why the multiplier effect of an increase in consumption spending of $100 billion is larger or smaller than the effect of a tax decrease of $100 billion. (Do not just say the spending multiplier is larger or smaller. Explain why.)arrow_forward
- Use the following equations for exercises C = $ 100 + .8 Y I = $ 200 G = $ 250 X = $100 - .2 Y a.What is the equilibrium level of real GDP? b.What is the new equilibrium level of real GDP if government spending increases by $ 150? c.What is the new equilibrium level of real GDP if government spending and taxes both increases by $ 150?arrow_forwardThe following graph shows the total expenditure line (TE) for an economy where current equilibrium output is $350 billion and potential output is $600 billion. The economy is experiencing _________ (a contractionary gap, an inflationary gap) equal to $______ billion. To close the output gap, government purchases could _______ (increase, decrease) by _____ ($50, 150, 75) billion. Thus, the value of the multiplier for this economy is ___________ (0.7143, 0.5833, 0.4167, 1.6667, 0.6).arrow_forward
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