1.

In an economyS= - 50+50Y is thesavingfunctionand investmentexpenditure is ₹ 7000. Calculate : (i)Equilibrium level of income (ii) Consumption expenditure at equilibrium level of national income.

Answer»

Solution :(i) At EQUILIBRIUMLEVEL of INCOME : S =I, I = 7000 , S = -50 + 0.5 Y`
`7000- = - 50 +0.5Y`
7050 =0.5Y
Hence, `Y = *=(7050)/(5)xx 10₹ 14100`
₹ 14100 is equilibrium level of income.
(iii) Consumption EXPENDITURE at equilibrium level of national income
Y = C+ S, C = Y -S
C = 14100-7000 (S=I =7000)
C = ₹ 7100
Hence, Comnsumption expenditure at equilibrium level of national income is ₹ 7100.


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