millennials Richard Levine/Getty Images

有必要为生产力发展趋势忧心吗?

发自米兰——对于经济学家来说,他们的使命不仅是如何深思熟虑地解决难题,还得去创设问题本身。有时候,对这些问题的重新思考可能就是通往我们需要的答案的关键。

以关于生产力的辩论为例。那些试图解释生产率显著结构性增长放缓现象的经济学家一直在提出以下问题:那些增量流失到哪里去了?而他们对此的回应则涵盖对指标测量方式,劳动力市场结构转变,潜在性的投资机会缺乏,稀释生产率的技术创新以及技术导致的技能错配等问题。

但或许应该去考虑一个更根本的问题:我们究竟想要实现多少生产力增长,并愿意为此付出何种代价?

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