20世纪80年代末以来，低通胀主要是因为积极的供给侧冲击 — — 如婴儿潮带来的劳动力扩张和许多新兴国家融入全球贸易体系。
From the late 1980s onward, low inflation was largely due to positive supply-side shocks – such as the Baby Boomer-fueled expansion of the labor force and the integration of many emerging countries into the global trading system.