【
Abstract
】：
This paper takes A-share manufacturing indust
ry listed companies in Shanghai and Shenzhen from 2018 to 2020 as the
sample, excluding the samples of companies with ST, less than four years of establishment, incomplete disclosure of financial statements, lack of key financial indicators and total profits less than 0. Using multiple linear regression, DEA data envelopment analysis, Tobit regression, Richardson model and other technical tools, this paper studies and analyzes the r
管理者能力、非效率投资与公司价值关系的实证分析-10849字.docx