Economics (MindTap Course List)
13th Edition
ISBN: 9781337617383
Author: Roger A. Arnold
Publisher: Cengage Learning
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Assume you have the following model of the expenditure sector:
AD = C + I + G + NX
C = Co + cYD
YD = Y - TA + TR
TA = TAo
TR = TRo
I = Io
G = Go
NX = NXo
If a change in income by ∆Y = - 800 leads to a change in savings by ∆S = - 160, what is the size of the expenditure multiplier?
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- Assume you have the following model of the expenditure sector: AD = C + I + G + NX C = Co + cYD YD = Y - TA + TR TA = TAo TR = TRo I = Io G = Go NX = NXo If a change in exports by deltaNX = - 200 is accompanied by a change in consumption by ∆C = - 800, what is the size of the expenditure multiplier?arrow_forwardAssume you have the following model of the expenditure sector:AD = C + I + G + NX C = Co + cYD YD = Y - TA + TR TA = TAo TR = TRo I = Io G = Go NX = NXo a. If a change in income by ∆Y = - 800 leads to a change in savings by ∆S = - 160, what is the size of the expenditure multiplier? c. If a change in exports by NX = - 200 is accompanied by a change in consumption by ∆C = - 800, what is the size of the expenditure multiplier?arrow_forwardBelow is some data for a hypothetical economy: C = -232 + 0.8Y XN = 107 - 0.1Y I = 100 T = 340 G = 340 Refer to the information above to answer this question. What is the value of the expenditure multiplier? a. 1.43 b. 4 c. 3.33 d. 2.43arrow_forward
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- How is it possible for consumption expenditure to be positive even when disposable income is zero?arrow_forwardUsing the table below, answer the following question: Real GDP ConsumptionPlanned (Y) GovernmentNet Aggregate of Investment purchases Exports (G) (C) Expenditure (AE) (1) (NX) 650 85 195 90 320 690 750 145 195 90 320 750 850 205 195 90 320 810 950 265 195 90 320 870 Find the value of the multiplier in this economy? Show your calculations. Answer: Give your reasons A- в I Fr of IIarrow_forwardAssume the following model of the expenditure sector: S=C+I+G+Nx TR=100 C=420+(4/5)YD I=160 G=180 Nx=-40 YD=Y+TR-TA TA=(1/6)Y If the government would like to increase the equilibrium level of output (Y) to the full employment level Y*=2,700, by how much should government purchases (G) be changed?arrow_forward
- Show equation please.arrow_forwardThe Nottinghamshire Research Observatory in England calculated that students who attend Nottingham Technical University spend about £2,760 each in the local economy for a total of £50.45 million. In total, the impact of their spending on the local economy is £63 million. Calculate the size of the student spending multiplier.arrow_forwardConsider the graph below: Planned Aggregate Expenditure (PAE, billions of $) 1000 900 800 700 600 500 400 300 200 100 0 100 200 300 400 500 600 700 800 1 PAE 2 PAE Y PAE₁ 900 1000 Actual Aggregate Expenditure (Output or GDP, billions of $) a. What is the expenditure multiplier in this economy? b. What is the marginal propensity to consume in this economy?arrow_forward
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