Monetary policy does not always involve decreasing the money supply; it can either increase or decrease it depending on whether the central bank is trying to stimulate or cool down the economy. Decreasing the money supply is specifically called contractionary (or tight) monetary policy, used mainly to fight high inflation.

What monetary policy is

  • Monetary policy is the policy through which a central bank manages interest rates and the supply of money in the economy to achieve goals like stable prices and sustainable growth.
  • The money supply can be adjusted up or down using tools such as open market operations, interest rates, and reserve requirements.

When money supply is decreased

  • A decrease in the money supply is used when inflation is high and spending and credit growth need to be slowed.
  • To do this, central banks can, for example, sell government securities to banks, raise policy interest rates, or increase reserve requirements, all of which reduce the amount of money available for lending.

When money supply is increased

  • An increase in the money supply is used in periods of weak growth or recession to encourage borrowing, investment, and consumption.
  • In that case, the central bank may buy government securities, lower policy interest rates, or reduce reserve requirements so banks can lend more.

Correcting the statement

  • The statement “monetary policy involves decreasing the money supply” is incomplete because it only describes the contractionary side of monetary policy.
  • A more accurate version would be: “Monetary policy involves changing (increasing or decreasing) the money supply and interest rates to achieve economic objectives such as low inflation and stable growth.”

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