1. Calculate the MPC  in the above diagram. 2. Based on Diagram 1, If private Investment of $100 is added to the existing C, calculate the new equilibrium level of NI. 3. Given your answer to the previous question (question #2) calculate by how much G should change, if the full employment level in the economy is at $3000.

MACROECONOMICS
14th Edition
ISBN:9781337794985
Author:Baumol
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Chapter9: Demand-side Equilibrium: Unemployment Or Inflation?
Section9.A: The Simple Algebra Of Income Determination And The Multiplier
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Answer all four questions based on the following diagram.

1. Calculate the MPC  in the above diagram.

2. Based on Diagram 1, If private Investment of $100 is added to the existing C, calculate the new equilibrium level of NI.

3. Given your answer to the previous question (question #2) calculate by how much G should change, if the full employment level in the economy is at $3000.

4. Based on the answer to the previous question (question #3), if half of those government expenditures are financed through  lump sum taxes,  calculate the new level if NI? (C+I+G)

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