mpc=1 is false statement.
The equilibrium level of real GDP is determined by the point at which the total or aggregate expenditures in the economy are equal to the amount of output generated, according to the expenditure-output model, often known as the Keynesian cross diagram.
The ratio of the percentage change in consumption to every rupee change in income is known as the marginal propensity to consume. As a result, there cannot be more than one since the percentage change in consumption when there is a change in the level of income cannot be more than the change in income.
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