中国R&D强度区位分布条件因素的差异分析——基于稳健MM估计的EBA模型的实证研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1004-910x|34|1|49-59

ISSN: 1004-910x

Source: 工业技术经济, Vol.34, Iss.1, 2015-01, pp. : 49-59

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Abstract