Answer:
affect nominal but not real variables. This view that money is ultimately neutral is consistent with classical theory.
Explanation:
This idea is held by classical economists (not by most economists) since they believe in the quantitative theory of money:
MV = PQ
Classical theory was abandoned 90 years ago (according to classical theory, recessions were not possible and couldn't exist, but then the Great Depression came and the impossible became true). Neo-classical or monetarists appeared in the 1960s, and lately, neo-neo-classical appeared with George W. Bush. The problem with the quantitative theory is that it needs the following things to be true in order to hold, and empirical evidence over the last 90 years showed that none of them are true: