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问号屋:如何构建企业创新客户变量?

momo  · 知乎专栏  ·  · 2024-06-09 12:25
    

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文献来源 Innovative Customers:for top five customers with innovative features; "0" for customers without innovative features Cui, W., Qiao, C. (2024). Customer Structure and R D Investment:Based on Innovative Trait. Finance Research Letters. (完) ………………………………

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