Suppose a bank has $200 million in checking account deposits with no excess reserves and the required reserve ratio is 15%. If the Fed reduces the required reserve ratio to 10%, the bank will now have excess reserves of:.

Excess reserve = $180 million

Explanation:

Required-reserve ratio: The minimum percentage that banks are required to keep as reserve is known as the required-reserve ratio. In this question, it is given as 10%. Multiply this ratio by the total deposit and you will get the required reserve in dollar amount.

Therefore the required reserve for this bank = 10% ×$200 million= $20 million

Excess reserve; Excess reserve is the balance of the total deposit over and above the required reserve. The bank can lend and create loan asset from this balance.

It is calculated as = Total deposit - Required reserve

So we apply this to our question

Excess reserve = $200 million - (10% × $200 million) = 180  million

Excess reserve = $180 million

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