b. How will the open market sale of bonds affect consumption, private saving, and investment in equilibrium? Explain clearly what causes changes in those macroeconomic variables.

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Chapter1: Making Economics Decisions
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**13. Let's assume that consumption depends on disposable income, and investment depends on the interest rate and output. Government spending is exogenously determined. Consider that there is an open market sale of bonds by the central bank.**

**a. In an IS-LM diagram, show the effect of the open market sale of bonds on output and the interest rate. Explain clearly what causes the curve(s) to shift.**

- An open market sale of bonds by the central bank decreases the money supply. This shifts the LM curve to the left, resulting in higher interest rates and lower output.

**b. How will the open market sale of bonds affect consumption, private saving, and investment in equilibrium? Explain clearly what causes changes in those macroeconomic variables.**

- The increase in interest rates from the bond sale reduces investment and consumption, leading to higher private saving as disposable income adjusts to new equilibrium levels.

**c. Suppose the federal government wants to maintain output at the initial level. What must the federal government do in response to the central bank’s sale of bonds to restore output?**

- To maintain output, the government would need to increase spending or cut taxes, which would shift the IS curve to the right, offsetting the leftward shift of the LM curve.

**Show the effect on output and the interest rate using the IS-LM diagram. What effect will this policy have on private saving?**

- With increased government spending or reduced taxes, the output is restored while maintaining higher levels of private saving due to increased disposable income.
Transcribed Image Text:**13. Let's assume that consumption depends on disposable income, and investment depends on the interest rate and output. Government spending is exogenously determined. Consider that there is an open market sale of bonds by the central bank.** **a. In an IS-LM diagram, show the effect of the open market sale of bonds on output and the interest rate. Explain clearly what causes the curve(s) to shift.** - An open market sale of bonds by the central bank decreases the money supply. This shifts the LM curve to the left, resulting in higher interest rates and lower output. **b. How will the open market sale of bonds affect consumption, private saving, and investment in equilibrium? Explain clearly what causes changes in those macroeconomic variables.** - The increase in interest rates from the bond sale reduces investment and consumption, leading to higher private saving as disposable income adjusts to new equilibrium levels. **c. Suppose the federal government wants to maintain output at the initial level. What must the federal government do in response to the central bank’s sale of bonds to restore output?** - To maintain output, the government would need to increase spending or cut taxes, which would shift the IS curve to the right, offsetting the leftward shift of the LM curve. **Show the effect on output and the interest rate using the IS-LM diagram. What effect will this policy have on private saving?** - With increased government spending or reduced taxes, the output is restored while maintaining higher levels of private saving due to increased disposable income.
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Open market operations refers to trading of government securities for expanding or contracting the money supply and alter the interest rates. 

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