Another important instrument for sterilization is the reserve-requirement ratio, which, when raised, locks a large amount of liquidity in the banking system. The ratio, which the PBOC has changed 42 times since 1998, currently stands at 20% – double the ratio for large banks in the United States.
另一个重要的冲销工具则是存款准备金率，提升该比率就能锁定银行系统中的一大笔流动性。在人民银行自1998年以来修改了42次之后，该比率目前维持在20%——比美国大型银行高一倍。