한국특허 인용정보를 활용한 지식파급의 지역화 - 거리기반 접근
Localized Knowledge Spillovers with Korean Patent Citations Data: A Distance-based Approach
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초록
본 연구는 2012년 내국인 발명자를 포함한 한국 기관이 한국특허청에 출원 및 등록한특허자료 및 이에 대한 인용정보를 바탕으로 한국의 지식파급의 지역화를 분석하였다. 이를위해 Murata, Nakajima and Tamura(2016)이 제시한 거리기반 국소 선형밀도(distance-based local linear density) 추정 방법론을 활용하였다. 분석결과, 우리나라 지식파급의 지역화는50~60km 이내에서 나타나는 것으로 나타났으며, 이는 기술혁신으로 인한 지식파급 효과를국가 전반적으로 향유하기 위한 광역경제권 간의 지식교류 활성화의 필요성을 보여준다.
Abstract
This paper studies localization of knowledge spillovers of Korea using Korean patents granted in 2012 and their received citations. Distance-based local linear density estimation method suggested by Murata, Nakajima and Tamura (2016) is utilized to analyze the extent of localization of knowledge spillovers. It is found that localization of knowledge spillovers of Korea exists within 50~60km. It suggests that facilitating knowledge exchange between metropolitan economic zones is needed to reap the benefit of the localization of knowledge spillovers.
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