This video will introduce and explain the effect of an expansionary fiscal policy on aggregate demand, specifically an increase in government spending. When government spending increases, household incomes rise and therefore consumption increases, further adding to the expansionary effect on Aggregate Demand. If we know the marginal propensity to consume among a nation's households, we can calculate the size of the spending multiplier, and thereby determine how much of a stimulus would be needed to increase AD by a particular desired amount.
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