It is also true that robotics is making impressive strides. Gill Pratt, a robotics expert, recentlydescribed a “Cambrian explosion for robotics in the Journal of Economic Perspectives. Whilerobots have done little to cause mass unemployment in the recent past, that may change infuture.

机器人产业正取得不俗进展，这也是事实。机器人专家吉尔渠拉特(Gill Pratt)最近在《经济展望期刊》(Journal of Economic Perspectives)中写道机器人科学出现“寒武纪大爆发。尽管最近机器人几乎没有造成大规模失业，但未来这点可能会发生变化。

Automation has also undoubtedly changed the shape of the job market — economist DavidAutor, writing in the same journal, documents a rise in demand for low-skilled jobs and highlyskilled jobs, and a hollowing out of jobs in the middle. There are signs that the hollow ismoving further and further up the spectrum of skills. The robots may not be taking our jobs,but they are certainly shuffling them around.

此外，自动化无疑改变了就业市场的状况，经济学家戴维攠塙尔(David Autor)在同一份期刊中记录了低技能和高技能工作需求的上升以及中等技能岗位的流失。有迹象表明，岗位流失现象正愈发向更高技能的岗位蔓延。机器人或许没有夺走我们的工作，但它们肯定正对我们的工作重新洗牌。

Yet Mr Autor also points to striking statistic: private investment in computers and software inthe US has been falling almost continuously for 15 years. That is hard to square with the storyof a robotic job-ocalypse. Surely we should expect to see a surge in IT investment as all thosemachines are installed?

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