MACROECONOMICS (LL)
21st Edition
ISBN: 9781260186949
Author: McConnell
Publisher: MCG
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Chapter 11, Problem 4DQ
Subpart (a):
To determine
The four faces of business cycle.
Subpart (b):
To determine
The four faces of business cycle.
Subpart (c):
To determine
The four faces of business cycle.
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Suppose that the classical model of loanable funds displays the following characteristics. GDP (Y) is 5,000 while consumption (C) is given by the equation C = 1,200 + 0.3(Y – T) – 50r, where r is the real interest rate, in percent. Investment (I) is given by the equation I = 1,500 – 50r. Taxes (T) are 1,000, and government spending (G) is 1,500.
What are the equilibrium values of C, I, and r? What are the values of private saving, public saving, and national saving? Sketch the equilibrium in the long-run loanable funds model.
Assume that GDP ( y) is 6.000. Consumption (C) is given by the equation C= 600 + 06(Y-T). Investment (I )is given by the equation I=2,000- 100r, where r is the real rate of interest in percent. Taxes (T) are government spending (G) is also 500
a. What are the equilibrium values of C, I, and r?
b) What are the values of private saving, public saving, and national saving? ·
Assume that GDP (Y ) is 5,000 in a closed economy. Consumption (C) is given by the equationC = 1,200 + 0.6(Y −T)−100r, where r is the real interest rate, in percent. Investment (I) is givenby the equation I = 2,000 − 200r. Taxes (T) are 1,000, and government spending (G) is 1,500.(a) What are the equilibrium values of C, I, and r? (b) What are the values of private saving, public saving, and national saving? (c) For the given consumption function, what does the relationship between consumption and theinterest rate imply about the saving schedule?
Chapter 11 Solutions
MACROECONOMICS (LL)
Ch. 11.2 - Prob. 1QQCh. 11.2 - Prob. 2QQCh. 11.2 - Prob. 3QQCh. 11.2 - Prob. 4QQCh. 11.7 - Prob. 1QQCh. 11.7 - Prob. 2QQCh. 11.7 - Prob. 3QQCh. 11.7 - Prob. 4QQCh. 11 - Prob. 1DQCh. 11 - Prob. 2DQ
Ch. 11 - Prob. 3DQCh. 11 - Prob. 4DQCh. 11 - Prob. 5DQCh. 11 - Prob. 6DQCh. 11 - Prob. 7DQCh. 11 - Prob. 8DQCh. 11 - Prob. 1RQCh. 11 - Prob. 2RQCh. 11 - Prob. 3RQCh. 11 - Prob. 4RQCh. 11 - Prob. 5RQCh. 11 - Prob. 6RQCh. 11 - Prob. 7RQCh. 11 - Prob. 8RQCh. 11 - Prob. 9RQCh. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10P
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- Consider a closed economy. Let Y denote GDP, C denotes Consumption, I denotes Investment, r is the real rate of interest in percent, T denotes Taxes, and G stands for Government Spending. Suppose that these take the following form: Y = 8,000.C = 600 + 0.8(Y – T) I = 2,000 – 100rT = 500G = 500. a. What is the marginal propensity to consume in this economy? b. What are the equilibrium values of C, I, and r? c. What are the values of private saving, public saving, and national saving? d. If government spending rises to 1,000, what are the new equilibrium values of C, I, and r? e. What are the new equilibrium values of private saving, public saving, and national saving?arrow_forwardAssume that in this economy consumption (C) is given by the equation C = 600 + 0.6(Y – T). Investment (I) is given by the equation I = 2,000 – 100r, where r is the real rate of interest in percent terms. Taxes (T) are 500 and government spending (G) is also 500. What are the values of private saving, public saving, and national saving?arrow_forwardIdentify how planned investment will change in each scenario. In an effort to reduce constant budget deficits, Congress announces plans to increase the corporate income tax rate. Due to the Congress, planned investment will increase, decrease, or stay the same? A major recession has reduced consumption spending, which has hurt profit levels for Aston-Benz, a high-end car manufacturer. Due to the recession, planned investment will increase, decrease, or stay the same?arrow_forward
- There is recently an increase in private saving in Canada. Assume this occured by a drop in autonomous consumption. a. what happens to the supply of loanable funds? Shift right, shift left, no shift b. what happens to the demand for loanable funds? Shift right, shift left, no shift c. what happens to the real interest rate? up, down, stay the samearrow_forwardSuppose that the classical model of loanable funds displays the following characteristics. GDP (Y) is 5,000 while consumption (C) is given by the equation C = 1,200 + 0.3(Y – T) – 50r, where r is the real interest rate, in percent. Investment (I) is given by the equation I = 1,500 – 50r. Taxes (T) are 1,000, and government spending (G) is 1,500. Complete the following tasks. a. What are the equilibrium values of C, I, and r? What are the values of private saving, public saving, and national saving? Sketch the equilibrium in the long-run loanable funds model. b. Now assume there is a technological innovation that makes business want to invest more. It raises the investment equation to I = 2,000 – 50r. Clearly explain how the economy moves to the new equilibrium and compute the new equilibrium values of C, I, and r. What are the new values of private saving, public saving, and national saving? Use the graph you sketched in a) to illustrate and explain the change in the economy. c.…arrow_forwardAssuming the level of investments is $16 billion and independent of the level of total output,complete the following table and determine the equilibrium levels of output and employment in this private closed economy. What are the sizes of the MPC and MPS? Possible Levels of Employment, Million Real Domestic Output (GDP=DI), Billions Consumption, Billions Saving, Billions 40 $240 $244 $ 45 $260 $260 50 $280 $276 55 $300 $292 60 $320 $308 65 $340 $324 70 $360 $340 75 $380 $356 80 $400 $372arrow_forward
- Please answer part 4 only Suppose a government decides to pass a tax cut, while keeping the level of government spending the same. How can the government finance the tax cut? What is the impact of the tax cut on public saving? Will private saving be affected and, if so, how? If households save most of (but not all) the tax cut, how will this affect investment? How will this affect the equilibrium interest rate? and why?arrow_forwardEconomists often argue that a large increase in government purchases – such as for the military – will crowd out private-sector spending. Use the investment-saving diagram to defend or to refute their premise.arrow_forwardYou observe a closed economy that has a government deficit and positive investment. Which of the following is correct? Select one: a. Both private saving and public saving are negative. b. Private and public saving are both positive. c. Private saving is negative; public saving is positive. d. Private saving is positive; public saving is negative.arrow_forward
- Answer the following question using well created graphs. Create a closed economy that is in a state of equilibrium at first. Assume that public saving decreases dramatically. Demonstrate how changes in interest rates (and a related variable) may bring the market into equilibrium after illustrating how changes in public savings affect the graph. What is the impact of a tiny open economy (with fixed interest rates) on the analysis?arrow_forwardAssume a closed economy in which, there is no government. If autonomous consumption is80, autonomous investment is 70, and marginal propensity to save is 0.25 in this economy.Then calculate the amount of equilibrium output (income)?arrow_forwardConsider a closed economy without a government. If the GDP of the economy is $63,000 and the consumption in the economy is $45,000, the saving rate in the economy is ________. 86 percent 24 percent 57 percent 75 percentarrow_forward
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