Menu costs are the costs of:

When the money supply declines by 10%, in the long run, output ________ and the price level ________

A) is unchanged; is unchanged B) declines; falls C) is unchanged; falls D) declines; is unchanged

Which of the following is NOT a feature of a common market?

A) Substantial coordination of macroeconomic policies among the members B) Free trade in goods and services between the members C) Common external barriers to trade D) Factor mobility