An increase in the nominal money supply will cause which of the following in the medium run?

Hello. I would like to get answers for these questions. Please help me!

1. Which of the following factors shifts the AS curve down and to the right?
   1. A fall in the mark up (m).
   2. An increase in the expected price level (P^e).
   3. An increase in unemployment insurance.
   4. An increase in the minimum wage.

Suppose that the economy is at a short run equilibrium where Y = Y_n. In the AS-AD and IS-LM models, which of the following events does NOT change the composition of GDP in the medium run?

1. 1. A reduction in government spending.
   2. A reduction in taxes
   3. A reduction in private savings.
   4. An increase in the nominal money supply.

1. Suppose that the economy is at a short run equilibrium where Y = Y_n. In the AS-AD and IS-LM models, a reduction in autonomous taxes will cause:
   1. An increase in the real wage in the medium run.
   2. An decrease in the real wage in the medium run
   3. No change in the nominal wage in the medium run.
   4. No change in the real wage in the medium run.

1. An increase in the nominal money supply will cause which of the following in the medium run?
   1. No change in the real wage.
   2. No change in the composition of GDP.
   3. An increase in nominal wages.
   4. All of the above.

1. An increase in the price of oil will cause in the short run:
   1. A fall in Y and P.
   2. An increase in P and a shift of the AD curve to the left.
   3. A fall in Y and an increase in P.
   4. An increase in the real wage.