Chapter 11: Q3. (page 236)
True or False. If spending exceeds output, real GDP will decline as firms cut back on production.
Short Answer
The statement is false.
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Chapter 11: Q3. (page 236)
True or False. If spending exceeds output, real GDP will decline as firms cut back on production.
The statement is false.
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Assume that the consumption schedule for a private open economy is such that consumption C = 50 + 0.8Y. Assume further that planned investment Ig and net exports Xn are independent of the level of real GDP and constant at Ig = 30 and Xn = 10. Recall also that, in equilibrium, the real output produced (Y) is equal to aggregate expenditures: Y = C + Ig + Xn.
Calculate the equilibrium level of income or real GDP for this economy.
What happens to equilibrium Y if Ig changes to 10? What does this outcome reveal about the size of the multiplier?
If inventories unexpectedly rise, then production _______ sales and firms will respond by _______output.
trails; expanding
trails; reducing
exceeds; expanding
exceeds; reducing
Using the consumption and saving data in problem 1 and assuming investment is \(16 billion, what are saving and planned investment at the \)380 billion level of domestic output? What are saving and actual investment at that level? What are saving and planned investments at the \(300 billion level of domestic output? What are the levels of saving and actual investment? In which direction and by what amount will unplanned investment change as the economy moves from the \)380 billion level of GDP to the equilibrium level of real GDP? From the \(300 billion level of real GDP to the equilibrium level of GDP?
Possible Levels of Employment, Millions | Real Domestic Output (GDP = DI), Billions | Consumption, Billions | Saving, Billions (DI – C) |
40 | \)240 | \(244 | -\)4 |
45 | 260 | 260 | 0 |
50 | 280 | 276 | 4 |
55 | 300 | 292 | 8 |
60 | 320 | 308 | 12 |
65 | 340 | 324 | 16 |
70 | 360 | 340 | 20 |
75 | 380 | 356 | 24 |
80 | 400 | 372 | 28 |
By how much will GDP change if firms increase their investment by $8 billion and the MPC is 0.80? If the MPC is 0.67?
Explain graphically the determination of equilibrium GDP for a private economy through the aggregate expenditures model. Now add government purchases (any amount you choose) to your graph, showing their impact on equilibrium GDP. Finally, add taxation (any amount of lump-sum tax that you choose) to your graph and show its effect on equilibrium GDP. Looking at your graph, determine whether equilibrium GDP has increased, decreased, or stayed the same given the sizes of the government purchases and taxes that you selected.
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