Suppose a private closed economy has an MPC of 0.7 and a current equilibrium GDP of $100 billion. a. What is the multiplier in this economy? b. Now suppose the economy opens up trade with the rest of the world and experiences net exports of $10 billion. What impact will this have on equilibrium real GDP? c. Next suppose a government is introduced, and plans to spend $10 billion. By how much will this change in spending ultimately cause GDP to change, and in what direction?

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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A, B, and C are associated with each other. Please answer all three. Thank you! 

Suppose a private closed economy has an MPC of 0.7 and a current equilibrium GDP of $100 billion.
a. What is the multiplier in this economy?
b. Now suppose the economy opens up trade with the rest of the world and experiences net exports of $10
billion. What impact will this have on equilibrium real GDP?
c. Next suppose a government is introduced, and plans to spend $10 billion. By how much will this change in
spending ultimately cause GDP to change, and in what direction?
Transcribed Image Text:Suppose a private closed economy has an MPC of 0.7 and a current equilibrium GDP of $100 billion. a. What is the multiplier in this economy? b. Now suppose the economy opens up trade with the rest of the world and experiences net exports of $10 billion. What impact will this have on equilibrium real GDP? c. Next suppose a government is introduced, and plans to spend $10 billion. By how much will this change in spending ultimately cause GDP to change, and in what direction?
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