Automating Labor: Evidence from Firm-Level Patent Data

Automating Labor: Evidence from Firm-Level Patent Data
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自动化劳动:来自公司级专利数据的证据

DOI:
10.2139/ssrn.3508783
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发表时间:
2019
期刊:
PSN: Technology (Topic)
影响因子:
--
通讯作者:
Carlo Zanella
Carlo Zanella
中科院分区:
--
文献类型:
--
作者:
Antoine Dechezleprêtre;David Hémous;M. Olsen;Carlo Zanella

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更高的工资会带来更多的自动化创新吗?为了回答这个问题,我们首先介绍了一种新的自动化测量方法,通过使用专利文本中某些关键词的频率来识别机械自动化创新。我们验证了我们的措施,表明它与减少在美国的跨部门分析的日常任务。然后,我们建立了一个关于自动化专利的公司级面板数据集。我们结合了来自41个国家的联合收割机宏观经济数据和地理专利历史信息,建立了针对企业的低技能和高技能工资指标。我们发现,低技能工资的增加会导致更多的自动化创新,弹性在2到4之间。高技能工资的增加往往会减少自动化创新。安慰剂回归表明,这种影响是特定于自动化创新的。最后,我们使用哈茨劳动力市场改革在德国的事件研究,发现它们与自动化创新的相对减少。
Do higher wages lead to more automation innovation? To answer this question, we first introduce a new measure of automation by using the frequency of certain keywords in patent text to identify automation innovations in machinery. We validate our measure by showing that it is correlated with a reduction in routine tasks in a cross-sectoral analysis in the US. Then we build a firm-level panel dataset on automation patents. We combine macroeconomic data from 41 countries and information on geographical patent history to build firm-specific measures of lowskill and high-skill wages. We find that an increase in low-skill wages leads to more automation innovation with an elasticity between 2 and 4. An increase in highskill wages tends to reduce automation innovation. Placebo regressions show that the effect is specific to automation innovations. Finally, we use the Hartz labor market reforms in Germany for an event study and find that they are associated with a relative reduction in automation innovations.
DOI: 10.1086/684581
发表时间: 2012-12
影响因子: 8.2
作者:
P. Aghion;Antoine Dechezleprêtre;David Hémous;Ralf Martin;J. Van Reenen
通讯作者: P. Aghion;Antoine Dechezleprêtre;David Hémous;Ralf Martin;J. Van Reenen
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DOI: 10.2139/ssrn.3569385
发表时间: 2020
期刊: SSRN Electronic Journal
影响因子: --
作者:
Aghion P
通讯作者: Aghion P
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发表时间: 2020-06-01
影响因子: 8.2
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