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Determine the marginal propensity to save

If disposable income increases from Rs. 1,000 to Rs. 1,100, savings increase by Rs. 30. Determine the marginal propensity to save and marginal propensity to consume?

E

Expert

Verified

ΔY = 1,100 -1,000 = 100, ΔS = 30, MPS = ΔS/ΔY = 30/100 = 0.30

1- MPS = MPC

That is, 1 - 0.30 = 0.70 = MPC.

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