专利制度是否提高了中国工业企业的技术创新积极性——基于专利保护强度和地区经济发展水平的“门槛效应”

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-6260|28|4|13-24

ISSN: 1001-6260

Source: 财贸研究, Vol.28, Iss.4, 2017-01, pp. : 13-24

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Abstract