Answer :
Scenario d. represents expansionary fiscal policy from both a supply and demand perspective at the same time.
In scenario d., the Federal Reserve decreases the money supply and raises the interest rate, which represents a contractionary monetary policy. At the same time, the government reduces future taxes, which represents an expansionary fiscal policy.
From an inventory side viewpoint, the public authority can bring down charge rates. People are motivated to put in more effort and earn more money as a result of this. More output is produced as a result, causing shifts in both the short-term and long-term aggregate supply curves. From a demand-side perspective, either undertaking an infrastructure project (which increases government spending) or partially refunding taxes paid in the past should raise aggregate demand. Both address an expansionary monetary strategy.
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