Comovement Between Nominal and Real Variables

Multiple Choice

Comovement between nominal and real variables

A) was once a strong regularity in Canadian data, but is no longer.
B) was not historically a strong regularity in Canada, but now it is.
C) cannot be explained.
D) was observed by Friedman and Schwartz after the 2008-2009 recession.
E) was observed by Friedman Schwartz in the historical Canadian data.