融资约束、代理成本对企业R&D投资的影响——基于我国上市公司的经验证据

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1003-2886|volume|11|62-68

ISSN: 1003-2886

Source: 会计研究, Vol.volume, Iss.11, 2015-01, pp. : 62-68

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Abstract