技术结构存在优化效应吗?——来自地区和产业层面的经验证据

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-5579|49|2|141-154

ISSN: 1000-5579

Source: 华东师范大学学报:哲学社会科学版, Vol.49, Iss.2, 2017-01, pp. : 141-154

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Abstract