How is monetary policy determined in the New Keynesian$$ model? What is the central$$ bank's target, and what does the central bank control$$ directly?

In the New Keynesian$$ model, monetary policy is determined by the central bank in the money$$ market, which targets

Question $5$ options:

an inflation rate by controlling the money demand.

an interest rate by controlling the money demand.

a GDP growth rate by controlling the money supply.

an interest rate by controlling the money supply.