Gordon also points to the recent slowdown in real (inflation-adjusted) GDP growth. According to official US statistics, real GDP per worker grew at an average annual rate of 2.3% from 1891 to 1972, but by only 1.5% since then.
戈登还讨论了最近的真实（经通胀调整的）GDP放缓。据美国官方数据，1891—1972年每工人真实GDP平均每年增长2.3%，而此后的平均增长率只有1.5%。