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中国城市绿色创新水平及影响因素贡献度分解

Urban green innovation level and decomposition of its determinants in China
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摘要 明晰城市绿色创新的驱动因素并识别不同因素的贡献程度对城市可持续发展具有重要的作用。本文采用2005—2016年中国专利全文数据库识别地级市层面的绿色专利数量,通过回归分解识别影响地区绿色创新水平差异的主要决定因素及其贡献度。本文发现:(1)我国的绿色创新水平呈现明显的区域发展不平衡特征,东部地区整体发展迅猛,中西部地区相对缓慢,不同城市的绿色创新产出呈现两极分化。(2)不同地区影响绿色创新产出的因素存在差异性。东部地区创新投入要素对绿色创新产出的边际影响更为明显,中部地区绿色创新产出受到经济发展指标、创新投入要素和政府行为的联合影响,西部地区绿色创新产出呈现出政府行为主导的特征。(3)对于不同类型的绿色专利,经济发展水平仍是各类专利产出不平衡的主要因素,而创新投入的要素作为影响创新产出的直接因素对不同类型绿色创新的影响起到了决定性的作用。 As China's economy enters the new normal,the traditional development momentum advantage is no longer available."Green innovation",as the integration point of"innovation driven"and"green development",has become an effective means to break through the constraints of environment and resources and promote sustainable development.Clarifying the driving factors of urban green innovation and identifying the contribution of different factors play an important role in urban sustainable development.This paper uses the 2005-2016 Chinese patent full-text database to identify the number of green patents at the prefecture-level city level,and uses regression method to identify the main determinants and their contribution to the differences in regional green innovation levels.This paper finds that:(1)From the perspective of the development level of Green Innovation:the level of green innovation in China shows the obvious characteristics of unbalanced development among regions.The overall development of the eastern region is relatively rapid,while that of the central and western regions is relatively slow.The green innovation output of different cities shows polarization.The smallest city has no green innovation output,while the largest number has reached 11070 green invention patent applications.(2)From the perspective of driving factors:there are differences in the factors that affect green innovation output in different regions.The marginal influence of innovation input factors on green innovation output in the eastern region is more obvious,while the green innovation output in the central region is jointly affected by economic development indicators,innovation input factors and government behavior,while the green innovation output in the western region shows the characteristics of government behavior leading,and the proportion of the second and third industries has significant positive effect on the green innovation in the western region.(3)From the perspective of contribution decomposition,different factors have different c
作者 王博 张永忠 陈灵杉 姚星 Wang Bo;Zhang Yongzhong;Chen Lingshan;Yao Xing(School of International Business,Southwest University of Finance and Economics,Chengdu 611130,Sichuan,China)
出处 《科研管理》 CSSCI CSCD 北大核心 2020年第8期123-134,共12页 Science Research Management
基金 教育部人文社科研究西部和边疆地区项目(19XJA790003 19XJC790013) 国家自然科学基金项目(71903157) 中央高校基本科研业务费项目(JBK2003003 JBK2003028) 西南财经大学四川自由贸易试验区综合研究院的资助.
关键词 绿色创新 专利申请 Shapley分解 green patent patent application Shapley decomposition
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