1.

An economy is in equilibrium. Calculate the Investment Expenditure from the following : National Income=800 Marginal Propensity to Save=0.3Autonomous Consumption=100

Answer»

SOLUTION :Given
Y=800
MPS(s)=0.3
i.e. MPC (c )=1-MPS=1-0.3=0.7
C=100
We KNOW that at EQUILIBRIUM,
Y=C+I
C=ab+by
=100+0.7y
By PUTTING the value of Y & C
800=100+0.7(800)+I
800=100+560+I
I=800-660
I=Rs.140
Thus, the Investment expenditure is Rs.140.


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