但最主要央行坚持错误的信念 — — 传统货币政策策略（利率政策在零水平之上进行调整）和非常规工具（如量化宽松和负利率）的效力没有什么区别。
But most major central banks are clinging to the false belief that there is no difference between the efficacy of the conventional tactics of monetary policy – driven by adjustments in policy rates above the zero bound – and unconventional tools such as quantitative easing and negative interest rates.