In 1992, as President George H. W. Bush was running...

In 1992, as President George H. W. Bush was running (unsuccessfully) for reelection, the economy slowed down; then in late 1993, after President Bill Clinton's election, the economy picked up steam. a. Demonstrate graphically with the multiplier model a shift in the AE curve that would have caused the slowdown. b. Demonstrate graphically with the multiplier model a shift in the $\mathrm{AE}$ curve that would have caused the improvement. LO4, LO5

In 1992, as President George H. W. Bush was running (unsuccessfully) for reelection, the economy slowed down; then in late 1993, after President Bill Clinton's election, the economy picked up steam.
a. Demonstrate graphically with the multiplier model a shift in the AE curve that would have caused the slowdown.
b. Demonstrate graphically with the multiplier model a shift in the $\mathrm{AE}$ curve that would have caused the improvement. LO4, LO5

Key Concepts

Marginal Propensity to Consume (MPC)

The marginal propensity to consume refers to the fraction of any additional income that households are likely to spend rather than save. It is a critical component in determining the size of the multiplier. A higher MPC indicates that consumers are more inclined to spend extra income, leading to a larger multiplier effect and, thus, a more significant impact on aggregate demand from initial spending changes.

Equilibrium Income

Equilibrium income in the context of the AE model is the level of income where aggregate expenditure equals total output or income. It represents a point where there is no unplanned inventory buildup or depletion. Shifts in the AE curve, whether due to spending increases or decreases, result in a new equilibrium income level as the economy adjusts to changes in aggregate demand.

Aggregate Expenditure (AE) Model

The Aggregate Expenditure model is a framework in Keynesian economics that analyzes the total spending in an economy at various levels of income. It depicts how consumption, investment, government spending, and net exports sum to produce aggregate demand. Shifts in the AE curve represent changes in any of these components and can lead directly to changes in overall economic output and equilibrium income.

Multiplier Effect

The multiplier effect is a concept that quantifies how an initial change in spending leads to a larger change in aggregate income. It is calculated as the reciprocal of the marginal propensity to save (or 1/(1-MPC)). This mechanism demonstrates that even small policy measures or economic shocks can have amplified impacts on the overall economy through successive rounds of spending.

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