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年长一岁,智慧一分(也离前沿更远):发明租金与人力资本折旧

A Year Older, A Year Wiser (and Farther from Frontier): Invention Rents and Human Capital Depreciation
Review of Economics and Statistics · 2022 · Philippe Aghion、Ufuk Akcigit、Ari Hyytinen、Otto Toivanen

中文摘要

我们考察一项发明的出现如何影响发明者的白领和蓝领同事的工资回报及其退出就业状态的概率。初步结果表明,年龄较大的工人会因发明的出现而受到不利影响。当我们控制教育程度,尤其是控制取得最后一个正式学位以来的时间——即与人力资本前沿的距离——后,这种负面效应便会消失。即便存在差异,这一效应在非STEM(科学、技术、工程和数学)教育背景的同事中也只是略高于具有STEM教育背景的同事。这一结果表明,再培训计划可能有助于提高创造性破坏和经济增长过程的包容性。

Abstract

Abstract We look at how the arrival of an invention affects wage returns and the probability of moving out of employment for white- and blue-collar co-workers of the inventor. First results suggest that older workers are hurt by the arrival of an invention. This negative effect disappears when we control for education and, in particular, for the time since obtaining the last formal degree, that is, distance to human capital frontier. If anything, this effect is slightly higher for non-STEM than STEM-educated co-workers. This result suggests that retraining programs could be helpful in making the process of creative destruction and economic growth more inclusive.
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