Monetary neutrality means that a change in the money supply
a) does not change real GDP. Most economists think this is a good description of the economy in the short run and in the long run.
b) does not change real GDP. Most economists think this is a good description of the economy in the long run but not the short run.
c) does change real GDP. Most economists think this is a good description of the economy in the short-run and the long run.
d) does change real GDP. Most economists think this is a good description of the economy in the long run but not the short run.