What is happening today is analogous to developments a few decades ago, early in the era of personal computers. In 1987, economist Robert Solow – awarded the Nobel Prize for his pioneering work on growth – lamented that “You can see the computer age everywhere but in the productivity statistics.”
今天所发生的事情与几十年前个人电脑时代肇始时有几分相似。1987年，因在增长方面的开创性贡献而荣获诺贝尔奖的经济学家罗伯特·索洛（Robert Solow）哀叹：“电脑时代的印记随处可见，就是在生产率数据中看不到。”对于这一点，可能的原因有好几个。