When politicians support policies such as imposing punitive tariffs on imports, which are popular among voters but which also reduce economic efficiency, we refer to this as:

As monetarists view the equation of exchange:

A. V changes erratically and unpredictably. B. V is quite stable. C. V usually changes in the same direction of any given change in M. D. V usually changes in the opposite direction of any given change in M.

As possible income increases, consumption spending

What will be an ideal response?