The United States central bank, the FederalReserves says it will keep interest rates close to zero for an extended period.
美国中央银行美联储称将继续提供接近零利率贷款更长时间。
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On the liability side, there are also two major figures: Demand deposits held by the commercial Banks, which constitute the reserves of those Banks; and Federal reserve Notes, cash emitted by the Fed.
Why should US Banks go to the bother of loaning out all of their increased reserves to gain interest if the Federal reserve is already paying them interest on their reserves?