Related Variety, Unrelated Variety and Technological Breakthroughs: An analysis of US State-Level Patenting

被引：312
|
作者：
Castaldi, Carolina [1 ]
Frenken, Koen [2 ]
Los, Bart [3 ]
机构：
[1] Eindhoven Univ Technol, Sch Innovat Sci, NL-5600 MB Eindhoven, Netherlands
[2] Univ Utrecht, Copernicus Inst Sustainable Dev, Innovat Studies, NL-3508 TC Utrecht, Netherlands
[3] Univ Groningen, Fac Econ & Business, NL-9700 AV Groningen, Netherlands
来源：
REGIONAL STUDIES | 2015年 / 49卷 / 05期
关键词：
R11; O31; Regional innovation; Superstar patents; Evolutionary economic geography; Technological variety; Recombinant innovation; KNOWLEDGE SPILLOVERS; EMPLOYMENT GROWTH; SIZE DISTRIBUTION; ECONOMIC-GROWTH; INNOVATION; GEOGRAPHY; UNCERTAINTY; PERFORMANCE; STATISTICS; DIVERSITY;
D O I：
10.1080/00343404.2014.940305
中图分类号：
F [经济];
学科分类号：
02 ;
摘要：
Castaldi C., Frenken K. and Los B. Related variety, unrelated variety and technological breakthroughs: an analysis of US state-level patenting, Regional Studies. This paper investigates how variety affects the innovation output of a region. Borrowing arguments from theories of recombinant innovation, it is expected that related variety will enhance innovation as related technologies are more easily recombined into a new technology. However, it is also expected that unrelated variety enhances technological breakthroughs, since radical innovation often stems from connecting previously unrelated technologies opening up whole new functionalities and applications. Using patent data for US states in the period 1977-99 and associated citation data, evidence is found for both hypotheses. This study thus sheds a new and critical light on the related variety hypothesis in economic geography.
引用
收藏
页码：767 / 781
页数：15
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