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
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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Get started for freeIf the multiplier is 5 and investment increases by \(3 billion, equilibrium real GDP will increase by
\)2 billion.
\(3 billion.
\)8 billion.
$15 billion.
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?
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.
The economy’s current level of equilibrium GDP is \(780 billion. The full-employment level of GDP is \)800 billion. The multiplier is 4. Given those facts, we know that the economy faces _______ expenditure gap of ___________.
an inflationary; \(5 billion
an inflationary; \)10 billion
an inflationary; \(20 billion
a recessionary; \)5 billion
a recessionary; \(10 billion
a recessionary; \)20 billion
Suppose that a certain country has an MPC of 0.9 and a real GDP of \(400 billion. If its investment spending decreases by \)4 billion, what will be its new level of real GDP?
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