税收优惠对节能环保上市公司研发投入影响的实证研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1004-910x|volume|6|96-103

ISSN: 1004-910x

Source: 工业技术经济, Vol.volume, Iss.6, 2017-01, pp. : 96-103

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Abstract