Chapter 22: Q.20 (page 582)
Use an IS curve and an MP curve to derive graphically the AD curve.
Short Answer
AD curve Using IS curve and MP curve .

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Chapter 22: Q.20 (page 582)
Use an IS curve and an MP curve to derive graphically the AD curve.
AD curve Using IS curve and MP curve .

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What would be the effect of an increase in U.S. net exports on the aggregate demand curve? Would an increase in net exports affect the monetary policy curve? Explain.
Suppose the monetary policy curve is given by , and the IS curve is given by .
a. Calculate an expression for the aggregate demand curve.
b. Calculate the real interest rate and aggregate output when the inflation rate is 2%, 3%, and 4%.
c. Draw graphs of the IS, MP, and AD curves, labeling the points from part (b) on the appropriate graphs.
Suppose that a new Fed chair is appointed and that his or her approach to monetary policy can be summarized by the following statement: "I care only about increasing employment. Inflation has been at very low levels for quite some time; my priority is to ease monetary policy to promote employment." How would you expect the monetary policy curve to be affected, if at all?
Assume that the monetary policy curve is given by
r = 1.5 + 0.75p.
a. Calculate the real interest rate when the inflation rate
is 2%, 3%, and 4%.
b. Draw a graph of the MP curve, labeling the points
from part (a).
c. Assume now that the monetary policy curve is given
by r = 2.5 + 0.75p. Does the new monetary policy
curve represent an autonomous tightening or loosening
of monetary policy?
d. Calculate the real interest rate when the inflation rate
is 2%, 3%, and 4%, and draw the new MP curve,
showing the shift from part (b).
鈥淚f f increases, then the Fed can keep output constant by reducing the real interest rate by the same amount as the increase in financial frictions.鈥 Is this statement true, false, or uncertain? Explain your answer.
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