Principles of Macroeconomics
Principles of Macroeconomics
6th Edition
ISBN: 9780073518992
Author: Robert H. Frank, Ben Bernanke Professor, Kate Antonovics, Ori Heffetz
Publisher: McGraw-Hill Education
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Chapter 12, Problem 1RQ
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Explain the effect of real interest rate and planned aggregate expenditure.

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Explanation of Solution

  • If the real interest rate increases, then people will desire to save more than they are essentially consuming.
  • A higher interest rate makes it costly to finance consumer durables and housing, which causes to decrease the spending on those items.
  • If the real interest rate increases, then the firm will purchase less new capital as the cost of borrowing increases the finance of capital goods purchased.

Thus, the higher real interest rate leads to decrease both the planned aggregate expenditure components of consumption and investment.

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