最后，或许也是人们最少认识到的一���。 就是中央银行的政策声明会对金融市场产生几乎独一无二的明确且可预测的效应（可能会持续一天或者更少时间 ） 。
Finally, and perhaps least appreciated, is the fact that central-bank policy pronouncements are almost unique in having clear and predictable effects on financial markets, at least in the very short run (which can be a day or less).