MACROECONOMICS (LOOSELEAF)-PACKAGE
13th Edition
ISBN: 9781337492317
Author: Baumol
Publisher: CENGAGE L
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Chapter 8, Problem 7DQ
To determine
To describe: The way of consumption function have shifted when congress enacted tax law changes to promote savings.
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If the marginal propensity to save increases, what happens to the consumption function?
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Create a diagram to explain the three main characteristics of the consumption function.
Chapter 8 Solutions
MACROECONOMICS (LOOSELEAF)-PACKAGE
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- Why does a downshift of the consumption schedule typically involve an equal upshift of the saving schedule? What is the exception to this relationship?arrow_forwardUS Real GDP fell by 9 percent during the 2nd quarter of 2020. Real investment spending fell by 16.9 percent during Q2 of 2020, and investment spending makes up about 20 percent of GDP. How much did the decline in investment spending contribute to the decline in real GDP in the US during Q2 of 2020?arrow_forwardThe interest rate effect states that a lower price level reduces the amount of money people wish to hold. When they lend out their excess savings, the interest rate falls. How does this affect investment spending?arrow_forward
- Economists in Funlandia, a closed economy, have collected the following information about the economy for a particular year: Y = 10,000; C = 6,000; T = 1,500; G = 1,700. The economists also estimate that the investment function is: I =3,300 –100r where r is the country’s real interest rate, expressed as a percentage. Calculate private saving, public saving, national saving, investment, and the equilibrium real interest ratearrow_forwardWhat is the consumption function? What is the marginal propensity to consume? What does an upward-sloping consumption function mean?arrow_forwardThe consumption and saving functions in the Keynesian model Suppose we observe that a person's disposable income (DI) is 50,000 in 2019 and 63,000 in 2020. Suppose we observe that this person's consumption (C) is 47,000 in 2019 and 58,700 in 2020. Assume that this person's consumption obeys the Keynesian consumption function, so that C = A + MPC*DI. Finally, assume that A and MPC are unchanged between 2019 and 2020. (a) Calculate the values of A and MPC for this consumer, and graph the consumption function. (Hint: subtract the C function in 2019 from the C function of 2020). (b) In general, saving is given by the formula S = DI - C. Calculate this person's saving in 2019 and 2020. Assuming that this person's wealth (net worth) on January 1, 2019 was 80,000, what is their wealth on January 1, 2020? on January 1, 2021? (c) In general, if consumption is given by the function C = A + MPC*DI, then saving will obey the saving function S = -A + (1 - MPC)*DI. Plot the saving function…arrow_forward
- Economists in Funlandia, a closed economy, have collected the following information about the economy for a particular year: Y = 10,000 C = 6,000 T = 1,500 G = 1,700 The economists also estimate that the investment function is: I = 3,300 – 100 r, Where r is the country’s real interest rate, expressed as a percentage. Calculate private saving, public saving, national saving, investment, and the equilibrium real interest rate.arrow_forwardpart f pleasearrow_forwardClassify each of the following scenarios listed in the table below using the macroeconomic definitions of saving and investment. Saving Investment Manuel buys a government bond. Poornima borrows money to build an addition to a lab owned by her engineering firm. Valerie purchases shares of stock in Warm Breeze, a cloud computing company. Shen takes out a loan and uses it to build a new cabin in Idaho.arrow_forward
- Economists 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_forwardEconomists in Funlandia, which has a closed economy, have collected the following information about the economy for a particular year: Y = 11,500 C = 7,000 T = 1,300 G = 1,900 The economists also estimate that the investment function is: I 3,200 - 100r where r is the country's real interest rate, expressed as a percentage. Complete the following table by calculating private saving, public saving, national saving, investment, and the equilibrium real interest rate. Component Private Saving Public Saving National Saving Investment Equilibrium Real Interest Rate Amountarrow_forwardHow to calculate marginal propensity to savearrow_forward
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