最终控制人性质、研发投入与效率转化时滞——基于京津冀地区重污染企业数据的研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-5812|volume|24|37-41

ISSN: 1002-5812

Source: 商业会计, Vol.volume, Iss.24, 2017-01, pp. : 37-41

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Abstract