c. Show that the real interest rate determined in part a sets national saving equal to planned investment when the economy is at potential output. This result shows that the real interest rate must be consistent with equilibrium in the market for saving when the economy is at full employment. Planned investment P = 3160 National saving S= 3160 *

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Chapter1: Making Economics Decisions
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Problem 26-11 (algo)
For the economy described below:
C = 2,500 + 0.9(Y - T) - 8,000r
IP = 2,200 - 8,000r
G = 2,500
NX = 0
т 3,600
a. Suppose that potential output Y* equals 31,600. What real interest rate should the Fed set to bring the economy to full|
employment? You may take as a given that the multiplier for this economy is 10.
Instructions: Enter all your responses as whole numbers.
Real rate of interest:
5 O %
b. Suppose that potential output Y* equals 26,800. What real interest rate should the Fed set to bring the economy to full
employment? You may take as given that the multiplier for this economy is 10.
Real rate of interest:
8 O %
c. Show that the real interest rate determined in part a sets national saving equal to planned investment when the economy is
at potential output. This result shows that the real interest rate must be consistent with equilibrium in the market for saving
when the economy is at full employment.
Planned investment P=
3160 *
National saving S= 3160
Transcribed Image Text:Problem 26-11 (algo) For the economy described below: C = 2,500 + 0.9(Y - T) - 8,000r IP = 2,200 - 8,000r G = 2,500 NX = 0 т 3,600 a. Suppose that potential output Y* equals 31,600. What real interest rate should the Fed set to bring the economy to full| employment? You may take as a given that the multiplier for this economy is 10. Instructions: Enter all your responses as whole numbers. Real rate of interest: 5 O % b. Suppose that potential output Y* equals 26,800. What real interest rate should the Fed set to bring the economy to full employment? You may take as given that the multiplier for this economy is 10. Real rate of interest: 8 O % c. Show that the real interest rate determined in part a sets national saving equal to planned investment when the economy is at potential output. This result shows that the real interest rate must be consistent with equilibrium in the market for saving when the economy is at full employment. Planned investment P= 3160 * National saving S= 3160
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