Monetarists claim that central banks have to keep the money
supply growing at a steady rate. They believe that fluctuations in
the money supply are responsible for most large fluctuations in the
economy. They argue that slow and steady growth in the money supply
would yield stable output, employment, and prices. On the other
hand, some economists believe that monetarist policy rule would
work only under a certain circumstance otherwise it would be
useless. According to these economists, what is...