Respuesta :
Solution and Explanation:
(a) If people need to hold more cash, the demand for money increases, shifting money demand curve rightward, leading to higher interest rate.
(b) If Fed does not respond, the price level will decrease (since higher the demand for money will increase interest rate, causing investment demand to fall, lowering aggregate demand and shifting AD curve leftward which lowers price level).
(c) TRUE - Increase in the money supply will decrease interest rate, keeping price level unchanged.

What is the Fed role?
Feds means Federal reserves. Some of the main function of the Federal reserves includes:
- conducting national monetary policy
- supervising and regulating banks
- maintaining financial stability etc
a. If people need to hold more cash, the demand for money increases, shifting money demand curve rightward, leading to higher interest rate.
b. If Fed does not respond, the price level will decrease, causing investment demand to fall, lowering aggregate demand and shifting AD curve leftward which lowers price level.
c. It is a true statement that it should keep the money supply unchanged because an Increase in the money supply will decrease interest rate, keeping price level unchanged.
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