家庭消费占美国经济的约70 % ， 因此危机前后趋势之间2.7个百分点的差距足以让危机后真实GDP增长率趋势下降1.9个百分点。
With household consumption accounting for about 70% of the US economy, that 2.7-percentage-point gap between pre-crisis and post-crisis trends has been enough to knock 1.9 percentage points off the post-crisis trend in real GDP growth.