Given the following model for an economy C = 100 + 0.8Yd G = 800 T = 500 I = 200 a) Calculate the level of savings when the economy is in equilibrium. b) Find government spending multiplier. c) Find the new equilibrium level of output if investment is increased by 100 (ΔI = 100). d) Find Tax multiplier. e) Find the new level of output if the lump-sum tax is increased by 100 (ΔT = 100). f) Find the new level of output if the government spending is increased by 100 and this government expenditure increase is financed by the same amount of increase in lump-sum taxes (ΔG = ΔT = 100).

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Given the following model for an economy

C = 100 + 0.8Yd

G = 800

T = 500

I = 200

a) Calculate the level of savings when the economy is in equilibrium.

b) Find government spending multiplier.

c) Find the new equilibrium level of output if investment is increased by 100 (ΔI = 100).

d) Find Tax multiplier.

e) Find the new level of output if the lump-sum tax is increased by 100 (ΔT = 100).

f) Find the new level of output if the government spending is increased by 100 and this government expenditure increase is financed by the same amount of increase in lump-sum taxes (ΔG = ΔT = 100).

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