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Which of the following depicts the actual meaning of marginal propensity to save (MPS)?

Solution

✅ Correct Option: 4

MPS is defined as the change in savings resulting from a unit change in income: MPS=ΔSΔYMPS = \frac{\Delta S}{\Delta Y}. Savings per unit of income is APS, and change in consumption per unit change in income is MPC. Hence option 4 is correct.

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