公司创新专注度与机构投资者持股——来自上市公司专利分类号数据的证据
王志强,杨高飞,熊海芳
Corporate Innovation Focus and Institutional Investor Ownership：Evidence from Listed Firm Patent Classification Number Data
Wang Zhiqiang,Yang Gaofei,Xiong Haifang
南方经济
.
2023, (7): 42
-62
.
DOI: 10.19592/j.cnki.scje.400822
