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Data for 9-4 Homework: Problem Set GDP Taxes DI C I G C+I+G 1250 200 800 300 200

ID: 1188475 • Letter: D

Question

Data for 9-4 Homework: Problem Set

GDP

Taxes

DI

C

I

G

C+I+G

1250

200

800

300

200

1500

200

1000

300

200

1750

200

1200

300

200

2000

200

1400

300

200

2250

200

1600

300

200

2500

200

1800

300

200

2750

200

2000

300

200

This table represents several different potential output scenarios for a hypothetical economy. Based on the information presented, complete the following:

1. Calculate the Disposable Income (DI) at each level of GDP.
2. Calculate total spending (C+I+G) at each level of GDP.
3. What is the equilibrium level of GDP in the economy?
4. When the economy is at equilibrium, what is the level of saving?
5. What is the value of the MPC?
6. What is the value of the expenditure multiplier?
7. What is the value of the tax multiplier?
8. If the government increases spending by $100, what would be the new equilibrium value of GDP?
9. If the government wanted to achieve the same change in GDP as in part 8 by cutting taxes instead of increasing spending, how large would the tax cut need to be?

GDP

Taxes

DI

C

I

G

C+I+G

1250

200

800

300

200

1500

200

1000

300

200

1750

200

1200

300

200

2000

200

1400

300

200

2250

200

1600

300

200

2500

200

1800

300

200

2750

200

2000

300

200

Explanation / Answer

This should answer parts 1 and 2


For Part 3

Equilibrium level of economy is when GDP equals the total spending which here is the level at which GDP = 1500, taxes = 200, C = 1000, I = 300 and G = 200 (second last row)


Part 4

The level of savings = Y - C - G = 1500-300-200 = 1000


Part 5

MPC = marginal increase in consumer spending / marginal increase in GDP = 200/(1500-1250) = 0.8


Part 6

Expenditure Multiplier = 1/(1-MPC) = 5


Part 7

Tax Multiplier = -MPC * 1/MPS = -0.8*1/0.2 = -4


Part 8

New equilibrium is row 4 when GPD = spending = 2000.


GDP Taxes DI C I G C+I+G 1250 200 1050 800 300 200 1300 1500 200 1300 1000 300 200 1500 1750 200 1550 1200 300 200 1700 2000 200 1800 1400 300 200 1900 2250 200 2050 1600 300 200 2100 2500 200 2300 1800 300 200 2300 2750 200 2550 2000 300 200 2500