融资约束对科技型中小企业R&D投资效率的影响——来自中小板科技型企业的经验证据

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1000-7695|36|10|99-105

ISSN: 1000-7695

Source: 科技管理研究, Vol.36, Iss.10, 2016-01, pp. : 99-105

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Abstract