Knowledge spillovers and patent citations: trends in geographic localization, 1976-2015

Hyuk-Soo Kwon, Jihong Lee, Sokbae (Simon) Lee and Ryungha Oh
Authors registered in the RePEc Author Service: Sokbae (Simon) Lee

No 55/17, CeMMAP working papers from Institute for Fiscal Studies

Abstract: This paper examines the trends in geographic localization of knowledge spillovers via patent citations, considering US patents from the period of 1976-2015. Despite accelerating globalization and widespread perception of the "death of distance," our multi-cohort "matched-sample" study reveals signicant and growing localization effects of knowledge spillovers at both intra- and international levels after the 1980s. We also develop a novel network index based on the notion of "farness," which an instrumental variable estimation shows to be a significant and sizable determinant of the observed trends at the state-sector level.

Date: 2017-12-06
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Related works:
Journal Article: Knowledge spillovers and patent citations: trends in geographic localization, 1976–2015 (2022)
Working Paper: Knowledge spillovers and patent citations: trends in geographic localization, 1976-2015 (2019)
Working Paper: Knowledge spillovers and patent citations: trends in geographic localization, 1976-2015 (2017)
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Persistent link: https://EconPapers.repec.org/RePEc:azt:cemmap:55/17

DOI: 10.1920/wp.cem.2017.5517

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