Exam 13: Business Fluctuations: Aggregate Demand and Supply
Use the following to answer questions: Figure: Two SRAS Curves
-(Figure: Two SRAS Curves) The figure shows the AD-AS model with two SRAS curves. Which of the following is TRUE of Point A?

D
What assumptions about wage and price flexibility are possible in the AD-AS model? What do these different assumptions imply about the slopes of the long-run and short-run aggregate supply curves?
One possible assumption is that wages and prices are perfectly flexible. When wages and prices are perfectly flexible, the actual growth rate of real GDP will be equal to the economy's potential growth rate. As the diagram shows, the potential growth rate, or the Solow growth rate, is 6%. Because the Solow growth rate does not depend on the rate of inflation, the long-run aggregate supply curve is vertical. Another possible assumption is that wages and prices are sticky-or not perfectly flexible in the short run. In this case, the short-run aggregate supply curve (SRAS) slopes upward, as shown in the diagram. The upward-sloped SRAS curve implies that higher than expected inflation will increase output growth and lower than expected inflation will decrease output growth.
Which of the following most likely causes a shift of the long-run aggregate supply curve to the right?
C
In the AD-AS model, changes in the growth rates of C, I, G, and NX are interpreted as changes in:
In the AD-AS model with a long-run potential growth rate of 2%, a 6 percentage point increase in the money supply growth rate will cause the economy's growth rate to be _____ in the long run.
Use the following to answer questions: Figure: Three AD Curves
-(Figure: Three AD Curves) Beginning at Point A in the accompanying diagram, a positive money shock could result in a short-run growth rate of:

Why is the SRAS curve steeper above its intersection with the long-run aggregate supply curve?
We would expect a negative real shock, such as a severe countrywide drought, to result in:
Use the following to answer questions: Figure Real Shocks
-(Figure: Real Shocks) From Point X in the accompanying graph, a negative real shock could cause the economy to move to Point:

If prices are completely flexible, then an increase in spending growth will lead to an immediate:
The short-run aggregate supply curve is upward-sloping because:
For an aggregate demand curve with = 10% and
= 0%, if inflation is 6%, then real growth is:
An increase in spending growth will cause the aggregate demand curve to:
An unexpected increase in money growth increases both inflation and real growth in the long run.
Which of the following is NOT a shock that could shift the long-run aggregate supply curve?
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