科技创新活动集聚效应的区域差异研究——基于时变参数估计法的实证研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-398x|volume|11|21-23

ISSN: 1003-398x

Source: 中国物价, Vol.volume, Iss.11, 2015-01, pp. : 21-23

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Abstract