Explain the meaning of money multiplier and its role? (6)
The money multiplier calculates the maximum amount of money that an initial deposit can be expanded to with a given reserve ratio. Money multiplier can also be expressed as a ratio of a change in money supply divided by a change in money base. The role of the multiplier is that it explains why output fluctuates.the money multiplier is a multiple of reserves; this multiple is the reciprocal of the reserve ratio, and it is an economic multiplier.In monetary economics, a money multiplier is one of various closely related ratios of commercial bank money to central bank money under a fractional-reserve banking system. Most often, it measures the maximum amount of commercial bank money that can be created by a given unit of central bank money. That is, in a fractional-reserve banking system, the total amount of loans that commercial banks are allowed to extend (the commercial bank money that they can legally create) is a multiple of reserves; this multiple is the reciprocal of the reserve ratio, and it is an economic multiplier.
The role of the multiplier is to give predictions to the Federal Reserve about the change in the money supply that would result from a given change in the monetary base. Also to measure the maximum amount of commercial bank money that can be created by a given unit of central bank money (monetary policy). To add on the role of the money multiplier it is also to consider the monetary and fiscal policies as well as how banking system works in creating money. It helps the government to ascertain the level of welfare and prosperity it will bring when it spends consistently