在发达经济体，大量行业有资金也愿意投资于自动化，但生产率增长（用每员工或每工时所产生的增加值衡量）已经至少低迷了15年。
In advanced economies, where plenty of sectors have both the money and the will to invest in automation, growth in productivity (measured by value added per employee or hours worked) has been low for at least 15 years.