税收优惠与研发投入——产权性质调节与成本粘性的中介作用
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1000-2995|38|6|135-143
ISSN: 1000-2995
Source: 科研管理, Vol.38, Iss.6, 2017-01, pp. : 135-143
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Abstract