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Multiplier=1/(1-MPC)
Tax Multiplier=MPC/(1-MPC)
a.
Increase in first two years=(840)+(0.84*840)=1545.6
b.
Year | Spending cycle | Total Spending( billion) | Change in spending( billion) |
1 | 0.84*1=840 | 840 | |
1 | 2 | 840+705.6=1545.6 | 840*0.84=705.6 |
1 | 1545.6+592.704=2138.304 | 0.84*705.6=592.704 | |
2 | 2 | 2138.304+497.871=2636.175 | 0.84*592.704=497.871 |
1 | 2636.175+418.211=3054.386 | 0.84*497.871=418.211 | |
3 | 2 | 3054.386+351.29=3405.67 | 0.84*418.211=351.29 |
c.
Mulitplier=MPC/(1-MPC)=0.84/(1-0.84)=5.25
Increase over an infinite time period=5.25*1=5.25 trillion
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