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

Hyuk-Soo Kwon, Jihong Lee, Sokbae (Simon) Lee () and Ryungha Oh
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Hyuk-Soo Kwon: Institute for Fiscal Studies
Jihong Lee: Institute for Fiscal Studies
Sokbae (Simon) Lee: Institute for Fiscal Studies and Columbia University
Ryungha Oh: Institute for Fiscal Studies
Authors registered in the RePEc Author Service: Sokbae (Simon) Lee

No CWP55/17, CeMMAP working papers from Centre for Microdata Methods and Practice, 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 signi cant 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 signifi cant and sizable determinant of the observed trends at the state-sector level.

Keywords: Innovation; knowledge spillovers; patent citation; agglomeration; network index; farness (search for similar items in EconPapers)
JEL-codes: C36 C81 O33 O34 O51 (search for similar items in EconPapers)
Date: 2017-12-06
New Economics Papers: this item is included in nep-geo, nep-his, nep-ino, nep-ipr, nep-knm, nep-net, nep-sbm, nep-tid and nep-ure
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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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