Suppose that the central bank must follow a rule that requires it to increase the money supply when the price level falls and decrease the money supply when the price level rises. If the economy starts from long-run equilibrium and aggregate supply shifts left, what must the central bank do, and what will happen to output?
A) The central bank must decrease the money supply, which will move output back toward its long-run level.
B) The central bank must decrease the money supply, which will move output farther from its long-run level.
C) The central bank must increase the money supply, which will move output back toward its long-run level.
D) The central bank must increase the money supply, which will move output farther from its long-run level.

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The Answer of Suppose that the central bank must follow a rule that requires it to increase the money supply when the price level falls and decrease the money supply when the price level rises. If the economy starts from long-run equilibrium and aggregate supply shifts left, what must the central bank do, and what will happen to output?
A) The central bank must decrease the money supply, which will move output back toward its long-run level.
B) The central bank must decrease the money supply, which will move output farther from its long-run level.
C) The central bank must increase the money supply, which will move output back toward its long-run level.
D) The central bank must increase the money supply, which will move output farther from its long-run level.

Suppose That the Central Bank Must Follow a Rule That