This instance indicates that if the reserve requirement is 10 percent, the Fed could enlarge the cash grant by way of $1,000 by using purchasing a $100 Treasury consignment (T-bill) in the open market.
However, if the reserve requirement have been 5 percent, a $100 T-bill purchase would lead to a $2,000 enlarge in the money supply.
If the required reserve ratio is 10 percent this capacity that banks have to hold 10 percent of their deposits as required reserves. If deposits are $20 million, then $2 million ($20 million x . 10) should be held as required reserves. Excess reserves are reserves over and above required reserves.
If the reserve requirement is 10%, then the cash grant reserve multiplier is 10 and the money grant be 10 instances reserves.
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