a) The accompanying table shows gross domestic product (GDP), disposable income (YD), consumer spending (C), and planned investment spending (I-planned) in an economy. Assume there is no government or foreign sector in this economy. Complete the table by calculating planned aggregate spending (AE-planned) and unplanned inventory investment (I-unplanned) b) What is the aggregate consumption function? c) What is Y*, income-expenditure equilibrium GDP? d) What is the value of the multiplier? e) If planned investment spending falls to $200 billion, what will be the new Y*? f) If autonomous consumer spending rises to $200 billion, what will be the new Y*?

Principles of Economics 2e
2nd Edition
ISBN:9781947172364
Author:Steven A. Greenlaw; David Shapiro
Publisher:Steven A. Greenlaw; David Shapiro
Chapter19: The Macroeconomic Perspective
Section: Chapter Questions
Problem 5SCQ: According to Table 19.7, how often have recessions occurred since the end of World War II (1945)?
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a) The accompanying table shows gross domestic product (GDP), disposable income (YD), consumer spending (C), and planned investment spending (I-planned) in an economy. Assume there is no government or foreign sector in this economy. Complete the table by calculating planned aggregate spending (AE-planned) and unplanned inventory investment (I-unplanned)

b) What is the aggregate consumption function?

c) What is Y*, income-expenditure equilibrium GDP?

d) What is the value of the multiplier?

e) If planned investment spending falls to $200 billion, what will be the new Y*?

f) If autonomous consumer spending rises to $200 billion, what will be the new Y*?

GDP
YD
Ipianned
AEPlanned lunplanned
(billions of dollars)
$0
$0
$100
$300
?
400
400
400
300
?
?
800
800
700
300
?
?
1,200
1,200
1,000
300
?
1,600
1,600
1,300
300
?
?
2,000
2,000
1,600
300
?
?
2,400
2,400
1,900
300
?
?
2,800
2,800
2,200
300
?
?
3,200
3,200
2,500
300
?
Transcribed Image Text:GDP YD Ipianned AEPlanned lunplanned (billions of dollars) $0 $0 $100 $300 ? 400 400 400 300 ? ? 800 800 700 300 ? ? 1,200 1,200 1,000 300 ? 1,600 1,600 1,300 300 ? ? 2,000 2,000 1,600 300 ? ? 2,400 2,400 1,900 300 ? ? 2,800 2,800 2,200 300 ? ? 3,200 3,200 2,500 300 ?
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