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软件信息业研发投入、研发费用加计扣除与企业绩效实证研发
贾明琪,张宇璐
兰州大学 管理学院,甘肃 兰州 730000
An Empirical Study on Relationships among R&D Investment, the Preferential Policy of R&D Costs Deduction and Firm Performance in Software Information Industry
Jia Mingqi, Zhang Yulu
School of Management, Lanzhou University, Lanzhou 730000, China