Chapter 11: Q2. (page 236)
If total spending is just sufficient to purchase an economy’s output, then the economy is
in equilibrium.
in recession.
in debt.
in expansion.
Short Answer
Option (a): in equilibrium
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Chapter 11: Q2. (page 236)
If total spending is just sufficient to purchase an economy’s output, then the economy is
in equilibrium.
in recession.
in debt.
in expansion.
Option (a): in equilibrium
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Why is saving called a leakage? Why is a planned investment called an injection? Why must saving equal planned investment at equilibrium GDP in a private closed economy? Are unplanned changes in inventories rising, falling, or constant at equilibrium GDP? Explain.
Why does equilibrium real GDP occur where C + Ig = GDP in a private closed economy? What happens to real GDP when C + Ig exceeds GDP? When C + Ig is less than GDP? What two expenditure components of real GDP are purposely excluded in a private closed economy?
True or False. If spending exceeds output, real GDP will decline as firms cut back on production.
Refer to columns 1 and 6 in the table for problem 5. Incorporate government into the table by assuming that it plans to tax and spend \(20 billion at each possible level of GDP. Also, assume that the tax is a personal tax and that government spending does not induce a shift in the private aggregate expenditures schedule. What is the change in equilibrium GDP caused by the addition of government?
(1) Real Domestic Output (GDP = DI), Billions | (2) Aggregate Expenditures, Private Closed Economy, Billions | (3) Exports, Billions | (4) Imports, Billions | (5) Net Exports, Billions | (6) Aggregate Expenditures, Private Open Economy, Billions |
\)200 | \(240 | \)20 | \(30 | -\)10 | $230 |
250 | 280 | 20 | 30 | -10 | 270 |
300 | 320 | 20 | 30 | -10 | 310 |
350 | 360 | 20 | 30 | -10 | 350 |
400 | 400 | 20 | 30 | -10 | 390 |
450 | 440 | 20 | 30 | -10 | 430 |
500 | 480 | 20 | 30 | -10 | 470 |
550 | 520 | 20 | 30 | -10 | 510 |
Assume that, without taxes, the consumption schedule of an economy is as follows.
GDP, Billions | Consumption, Billions |
\(100 | \)120 |
200 | 200 |
300 | 280 |
400 | 360 |
500 | 440 |
600 | 520 |
700 | 600 |
Graph this consumption schedule and determine the MPC.
Assume now that a lumpsum tax is imposed such that the government collects $10 billion in taxes at all levels of GDP. Graph the resulting consumption schedule and compare the MPC and the multiplier with those of the pretax consumption schedule.
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