
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
An Empirical Study on Relationships among R&D Investment, the Preferential Policy of R&D Costs Deduction and Firm Performance in Software Information Industry
研发投入, 研发费用加计扣除, 企业绩效
R&D Investment, R&D Costs Plus Pretax Deduction, Firm Performance
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