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Consider an Economy Described by the Following Functions:- C = 20 + 0.80y, I = 30, G = 50, Tr = 100, Calculate the Effect on Output of a 10 per Cent Increase in Transfers

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Question

Consider an economy described by the following functions:- C = 20 + 0.80Y, I = 30, G = 50, TR = 100, calculate the effect on output of a 10 per cent increase in transfers, and a 10 per cent increase in lump-sum taxes. Compare the effects of the two.

Sum
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Solution

MPC = 0.80

`barC` = 20

I = 30

G = 50

TR = 100

ΔTR = 10

Equilibrium level of income `=1/(1-c)[barC+cTR+I+G+DeltaTR]`

`=1/(1-0.80)[20+0.80xx100+30+50+0.80xx10]`

`=188/0.20xx100="Rs." 940`

Change in income = 940 − 900 = Rs 40

Increase in lump-sum tax ΔT =10

Change in Income `=DeltaT(-c)/(1-c)`

`=-10xx0.80/0.20`

= -10 × 4

=-40

From the above results, we can conclude that increase of 10 percent in transfers will raise the income by 40%.

And, increase of 10% in tax will lead to a fall in the income by 40%.

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Chapter 5: Government Budget And The Economy - Exercises [Page 84]

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NCERT Economics Introductory Macroeconomics [English] Class 12
Chapter 5 Government Budget And The Economy
Exercises | Q 7. | Page 84

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