noun
reserve requirement ratio; legal reserve ratio
A financial term referring to the minimum fraction of deposits that banks must hold as reserves, set by the central bank.
中央銀行が法定準備率を引き上げると、市中銀行の貸出余力が減少する。
When the central bank raises the reserve requirement ratio, commercial banks' lending capacity decreases.
準備預金 refers to the actual reserves held by banks, while 法定準備率 is the ratio that determines the required amount.
Compound of 法定 (legal, statutory) + 準備 (reserve) + 率 (rate, ratio).