CBSE 2018 Class 12 Economics Exam

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Question : 10
Total: 16
The value of marginal propensity to consume is 0.6 and initial income in the economy is ₹ 100 crores. Prepare a schedule showing Income, Consumption and Saving. Also show the equilibrium level of income by assuming autonomous investment of 80 crores.
Solution:  
Given that,
Marginal propensity to consume (MPC)=0.6
Initial income =100 crores
Autonomous investment =80 crores
C=C+c(Y)
C=0+0.6(Y)
 Income(₹)  Consumption   Saving (₹) (1MPC=MPS)MPS=0.40  Investment
 100  60  40  80
 200  120  80  80
 300  180  120  80
 400  240  160  80
 500  300  200  80
Aggregate Demand (AD)= Aggregate Supply (AS)
AD=C+I and AS=C+S
Therefore, the equilibrium level of income is ₹ 200 crores.
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