In Assessing Macroeconomic Policy Proposals, It Must Be Remembered That

In assessing macroeconomic policy proposals, it must be remembered that:

A) there is widespread agreement that fiscal policy is more desirable than monetary policy.
B) an understanding of how the economy works today is, by itself, enough to deal with future problems.
C) the side effects of different policies must be ignored to ensure that the most efficient policy tools are used.
D) the economy is not composed of a set of simple relationships that can be easily manipulated to solve problems.