The economy of Mainland has the following aggregate and aggregate supply schedules:
Real GDP Demanded Real GDP Supplied in the Short Run
($billion)
Price Level
90 450 350
100 400 400
110 350 450
120 300 500
130 250 550
140 200 550
(a) Plot the aggregate demand and short run aggregate supply curves.
(b) Determine Mainland's equilibrium or actual GDP and price level.
(c) Mainland's long run GDP is $500 billion. Plot the long run aggregate supply curve on the same graph as Part (a) above.
(d) Is Mainland at or above or below its natural rate of unemployment? Discuss.
(e) Determine the physical limit of Mainland's economy.