For the moment , the consensus among academic experts seems to be that america ' s trend rate of productivity growth is below the blistering pace of 2002 - 04 , perhaps slightly lower than in the late 1990s , but well above the 1 . 5 % average of the previous two decades 目前,专家学者的共识似乎是美国的生产率增长趋势低于2002年到2004年时猛烈的步伐,或许略低于1990年代后期,但远高于二十年前的平均增长率1 . 5 。
It is hard to isolate workers ' productivity in residential housing , but jan hatzius of goldman sachs estimates that it was 13 % lower at the end of 2006 than a year earlier , whereas in the rest of the economy ( outside farming ) productivity rose by a healthy 2 . 8 % 很难在与居住有关的住房市场孤立工作者的生产率,但是高盛集团的简?哈丘斯估计这在2006年底比一年前低13 ,而在其余的经济(除了农业)的生产率增长了2 . 8 。