In their defense, central banks make the unsubstantiated claim that things would have been much worse had they not pursued QE. But, with now-frothy manipulated asset markets posing new risks of financial instability, the jury is out on that point as well.
央行的辩解缺乏事实依据。它们说，如果不采取量化宽松，情况还要糟糕得多。但是，如今被操纵的资产市场出现了许多泡沫，带来了新的金融动荡风险，因此对于这一点也有待争议。