The inability of unconventional monetary policies to prevent outright deflation partly reflects the fact that such policies seek to weaken the currency, thereby improving net exports and increasing inflation. This, however, is a zero-sum game that merely exports deflation and recession to other economies.
非常规货币政策无法阻止通缩肆虐，这部分反映了一个事实，即这些政策追求货币贬值从而改善进出口、增加通胀。但这是一场零和博弈，只是将通缩和衰退输出到其他经济体。