Macroeconomics (Fourth Edition)
Macroeconomics (Fourth Edition)
4th Edition
ISBN: 9780393603767
Author: Charles I. Jones
Publisher: W. W. Norton & Company
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Chapter 11, Problem 1RQ
To determine

The role of the IS curve in the short-run model.

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The IS curve represents the goods market equilibrium where the demand for goods and the supply of goods are equal. Every point on the IS curve shows the combinations of income and the real interest rates. An analysis of an IS curve helps to understand the effect of a change in the real interest rate on GDP. In the IS model, I stands for investment, which is an inverse function of the rates of interest, and S stands for savings, which is a direct function of income. The study of the IS curve also helps to track all of the components of GDP. Any changes in the consumption, investments, government spending, and net imports and exports would affect the IS curve. Therefore, the IS curve has a powerful role in determining the level of short-run output.

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