制度环境、供应商集中度与企业研发创新产出——来自中国上市公司的经验证据
王勇, 王小丽
Institutional Environment,Supplier Concentration and Enterprise R&D Innovation Output——Empirical Evidence From Listed Companies in China
Wang Yong, Wang Xiaoli
工业技术经济
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2020, (2): 37
-46
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DOI: 10.3969/j.issn.1004-910X.2020.02.005
