企业发展预期的创新效应:基于上市企业年报文本挖掘的实证
杨兵,杨杨,杜剑
Innovation Effect of Enterprise Development Expectation:Empirical Study Based on Text Mining of Annual Reports of Listed Companies
Yang Bing,Yang Yang,Du Jian
科技进步与对策
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2022, (3): 107
-117
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DOI: 10.6049/kjjbydc.2021010172