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Everything > Business & Finance > Macroeconomics |
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reserve ratio |
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amount of cash |
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number of loans |
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amount of gold |
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asset value |
The Federal Reserve controls the size of the money supply primarily by adjusting the amount of currency in circulation and by requiring that banks maintain a specified reserve ratio.
The reserve ratio is the fraction of total checking deposit value that a bank must maintain in currency.
The US uses what is known as a fractional reserve banking system, which allows a bank to lend out a large portion of the money that people deposit into the bank. The fraction of the deposited money that must be kept in reserve is called the reserve ratio. The required reserve ratio in the US has typically been 10%.
There are two types of money in a fractional reserve banking system operating with a central bank (such as the Federal Reserve):