自2008年第四季度以来，美国净国民储蓄率一直是负数，与20世纪最后30年的平均水平 — — 占GDP的6.4%相去甚远。
Since the fourth quarter of 2008, America’s net national saving rate has been negative – in sharp contrast to the 6.4%-of-GDP averaged over the last three decades of the twentieth century.