It also matters, but only a bit, that Ms Nakamura and Mr Steinsson studied a later period, when inflation was slightly lower: they note that high inflation leads shops to raise prices more often.

• 另外还有点小问题，由于中村女士和斯泰恩斯森先生的研究是基于最近的低通胀期，因此他们指出高通胀会导致商家更频繁的提高商品的价格。