Assume that people form expectations rationally and that the sticky-price model describes the aggregate supply curve in the economy. For each of the following scenarios, explain whether or not monetary policy can have real effects on the economy:
a. The central bank determines monetary policy using the same information available to all firms and at the same time firms are setting prices, so that both firms and policymakers have the same information.
b. The central bank determines monetary policy after firms have set prices using information not available at the time prices were set.

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The Answer of Assume that people form expectations rationally and that the sticky-price model describes the aggregate supply curve in the economy. For each of the following scenarios, explain whether or not monetary policy can have real effects on the economy:
a. The central bank determines monetary policy using the same information available to all firms and at the same time firms are setting prices, so that both firms and policymakers have the same information.
b. The central bank determines monetary policy after firms have set prices using information not available at the time prices were set.

Assume That People Form Expectations Rationally and That the Sticky-Price