Macroeconomics
13th Edition
ISBN: 9780134735696
Author: PARKIN, Michael
Publisher: Pearson,
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Chapter 28, Problem 9SPA
To determine
Identify the changes in the equilibrium expenditure if the price level remains 100.
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In an economy, autonomous consumption expenditure is $50 billion, investment is $200 billion, and government expenditure is $250 billion. Exports are $500 billion and imports are $450 billion. Assume that net taxes and imports are autonomous and price level is fixed.
a)What is the consumotion function?
b)What is the equation of the aggregate expenditure curve?
c)Calculate equilibrium expenditure.
d)Calculate the multiplier.
e)If investment decreases to $150 billion, what is the change in equilibrium expenditure ?
equilibrium is important in the simple expenditure model so we need to know the following: what is the signal or indicator in the economy that will tell us we are not in equilibrium? What value for that signal will assure us we are in equilibrium? Explain why.
( Please solve whole question ASAP . I will definitely Rate your answer )
Given the information below, answer the questions that follow.
C = $40 + 0.8Y I = $30 G = $40 X – M = -$10
a) What is the equilibrium GDP? Explain why $550 is not the equilibrium.
b) What is the marginal propensity to consume (MPC) in this question? (Explain)
c) What is the multiplier in this question and explain the significance of the multiplier? (Show all work)
d) Assuming that the full employment level of output is $600, what kind of gap exists and how large is it? Explain
e) If transfer payments increased by $10 and the price level did not change, what would the new equilibrium be? (Show all work)
f) How would your answer to part (e) change if the price level did change?
Chapter 28 Solutions
Macroeconomics
Ch. 28.1 - Prob. 1RQCh. 28.1 - Prob. 2RQCh. 28.1 - Prob. 3RQCh. 28.2 - Prob. 1RQCh. 28.2 - Prob. 2RQCh. 28.2 - Prob. 3RQCh. 28.2 - Prob. 4RQCh. 28.3 - Prob. 1RQCh. 28.3 - Prob. 2RQCh. 28.3 - Prob. 3RQ
Ch. 28.4 - Prob. 1RQCh. 28.4 - Prob. 2RQCh. 28.4 - Prob. 3RQCh. 28.4 - Prob. 4RQCh. 28 - Prob. 1SPACh. 28 - Prob. 2SPACh. 28 - Prob. 3SPACh. 28 - Prob. 4SPACh. 28 - Prob. 5SPACh. 28 - Prob. 6SPACh. 28 - Prob. 7SPACh. 28 - Prob. 8SPACh. 28 - Prob. 9SPACh. 28 - Prob. 10SPACh. 28 - Prob. 11SPACh. 28 - Prob. 12SPACh. 28 - Prob. 13SPACh. 28 - Prob. 14SPACh. 28 - Prob. 15APACh. 28 - Prob. 16APACh. 28 - Prob. 17APACh. 28 - Prob. 18APACh. 28 - Prob. 19APACh. 28 - Prob. 20APACh. 28 - Prob. 21APACh. 28 - Prob. 22APACh. 28 - Prob. 23APACh. 28 - Prob. 24APACh. 28 - Prob. 25APACh. 28 - Prob. 26APACh. 28 - Prob. 27APACh. 28 - Prob. 28APACh. 28 - Prob. 29APACh. 28 - Prob. 30APACh. 28 - Prob. 31APACh. 28 - Prob. 32APACh. 28 - Prob. 33APACh. 28 - Prob. 34APA
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- Based on the following information: C = 40 + 0.7Yd, T = Tg – R, I = 200, G = 350, Tg = 60, R = 40 calculate the equilibrium level of income (Ye). calculate the value of kG, kTg and kR, where k is the multiplier.. calculate the values of C, S and T at Ye level. calculate the new equilibrium level of income if I increases by 10 percent. if G increases to 550 units and it is fully funded by the rise in T, what is the impact on Ye? if Tg increases to 85 units and R increases to 50 units, what is the effect on the level of Ye? Given the following information. C = 600 + 0.8Yd , Yd = Y – T, Tg = 100, I= 200, R = 50, G = 350, X = 250 and M = 200 + 0.1Y. Calculate the equilibrium level of income (Ye). Show the equilibrium level of income by using diagrams of both aggregate expenditure-income (AE-Y) approach and injection-leakage approach, How much investment should be increased if the government wants to increase the national income by 2000? How much tax has to be reduced so that…arrow_forwardin an economy C is equal to 300+0.5 Y and I= Rs.600 where C is consumption and Y is income calculate (a) equilibrium level of income (b) the consumption expenditure at equilibrium level of an income.arrow_forwardSolve for (i) Equilibrium income and (ii) Income-expenditure multiplier for Garrow_forward
- As the marginal propensity to consume (MPC) increases, As the marginal propensity to save (MPS) increases, the multiplier the multiplier remains the same. remains the same. decreases. decreases. increases. increases. If the marginal propensity to consume is 0.40, what is the multiplier, assuming there are no taxes or imports? Round to the tenths place. Given the multiplier that you calculated, by how much will gross domestic product (GDP) increase when there is a $1,000 increase in government spending? Give your answer to the nearest whole number. %24arrow_forwardIn an economy S = -60 + 0.2Y and the invesment is 5000 calculate the 1)Equilibrium level of the income 2)Consumption expenditure at equilibriumarrow_forwardWhen the price level falls A) the slope of the aggregate expenditures curve changes. B) the aggregate expenditure curve remains constant. C) the aggregate expenditures curve shifts down. D) the aggregate expenditures curve shifts uparrow_forward
- In an economy, autonomous consumption expenditure is $50 billion, investment is $200 billion, and government expenditure is $250 billion. The marginal propensity to consume is 0.7 and net taxes are $250 billion. Exports are $500 billion and imports are $450 billion. Assume that net taxes and imports are autonomous and the price level is fixed. What is the consumption function? What is the equation of the AE curve? Calculate equilibrium expenditure. Calculate the multiplier. If investment decreases to $150 billion, what is the change in equilibrium expenditure? Describe the process in part (e) that moves the economy to its new equilibrium expenditure.arrow_forwardSuppose that country Y is identical to country Z, with the exception that country Y's population has a lower marginal propensity to consume than country Z. Initially, both countries have the same level of real GDP. The diagram shows the expenditure curve for country Y. Using the line drawing tool, draw the expenditure curve of country Z in Figure 1. Label your curve 'Ez'. Carefully follow the instructions above and only draw the required object. Figure 1 Planned Expenditure ($, trillions) Real GDP, Y ($, trillions) Ex Select ✓ Linearrow_forwardAs the marginal propensity to consume (MPC) increases, As the marginal propensity to save (MPS) increases, the multiplier the multiplier remains the same. increases. decreases. decreases. increases. remains the same. If the marginal propensity to consume is 0.30, what is the multiplier, assuming there are no taxes or imports? Round to the tenths place.arrow_forward
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