Technological Obsolescence

求助中 10 由桑树下的小伊发布于 2026/4/11 22:46:17

DOI:10.1093/rfs/hhaf059
作者：Song Ma
文献类型：期刊论文
补充材料：只需要正文
文献链接： https://doi.org/10.1093/rfs/hhaf059

Oxford University Press

Abstract：This paper proposes a new measure of technological obsolescence using detailed patent data. The measure contains incremental information about firm innovation relative to measures focusing o

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