即便如此，考虑到围绕着宏观经济预测的极大不确定性，以及政策工具（不仅是量化宽松）的效果，许多学者也对中央银行家的言论和声明引发过多喧嚣而感到困惑。
Even so, given the numerous uncertainties surrounding macroeconomic forecasts and the effects of policy instruments (not least quantitative easing), many academics find it puzzling that central bankers’ speeches and statements generate so much fanfare.