Most Economists Would Agree That, Unless It Incorporates Rational Expectations

Multiple Choice

Most economists would agree that, unless it incorporates rational expectations or something like it, a model cannot account for:

A) the relationship between consumption and income.
B) the different initial impact of a permanent versus a temporary policy change.
C) the stagflation of the 1970s.
D) shifts in aggregate supply.
E) the Great Depression.