参考方法:


文献:机构投资者异质性、公司治理与企业盈利能力_张菊
机构投资者异质性、投资期限与公司盈余管理_罗付岩
机构投资者类型、股权特征和自愿性信息披露_牛建波
机构投资者异质性与盈余管理_李争光
样例:
| id | date | 证券代码 | 行业代码 | INVH | STD | N | MEDIAN | STABLE |
2 | 2002 | 000002 | K70 | 0.061735 | 0.029297257 | 3 | 2.14831543 | 0 |
2 | 2003 | 000002 | K70 | 0.285068989 | 0.00964028 | 3 | 114.5166931 | 0 |
2 | 2004 | 000002 | K70 | 0.481788009 | 0.128082435 | 3 | 1.766072512 | 1 |
2 | 2005 | 000002 | K70 | 0.47676 | 0.210166987 | 3 | 1.749024391 | 1 |
2 | 2006 | 000002 | K70 | 0.515455008 | 0.112152499 | 3 | 82.46363068 | 0 |
2 | 2007 | 000002 | K70 | 0.525281012 | 0.021039848 | 3 | 16.23961258 | 1 |
2 | 2008 | 000002 | K70 | 0.409875989 | 0.025651974 | 3 | 9.23982048 | 1 |
2 | 2009 | 000002 | K70 | 0.311470002 | 0.063981506 | 3 | 11.88456059 | 0 |
2 | 2010 | 000002 | K70 | 0.374915987 | 0.107018071 | 3 | 8.466655731 | 0 |
2 | 2011 | 000002 | K70 | 0.389640003 | 0.049885424 | 3 | 11.49699593 | 0 |
2 | 2012 | 000002 | K70 | 0.462738991 | 0.041538614 | 3 | 19.92094994 | 0 |
2 | 2013 | 000002 | K70 | 0.36232999 | 0.047033921 | 3 | 24.89929962 | 0 |
2 | 2014 | 000002 | K70 | 0.491659999 | 0.051915422 | 3 | 23.32150078 | 0 |
2 | 2015 | 000002 | K70 | 0.582095981 | 0.06787813 | 3 | 19.22148323 | 0 |
2 | 2016 | 000002 | K70 | 0.586376011 | 0.110455126 | 3 | 14.92149734 | 0 |
2 | 2017 | 000002 | K70 | 0.718232989 | 0.053491601 | 3 | 12.60177994 | 1 |
2 | 2018 | 000002 | K70 | 0.783887982 | 0.077392793 | 3 | 21.56120872 | 0 |
2 | 2019 | 000002 | K70 | 0.740112007 | 0.10058812 | 3 | 28.4587841 | 0 |
2 | 2020 | 000002 | K70 | 0.691125989 | 0.033430539 | 3 | 27.17394257 | 0 |
2 | 2021 | 000002 | K70 | 0.674197018 | 0.046405376 | 3 | 27.8339901 | 0 |
2 | 2022 | 000002 | K70 | 0.693350971 | 0.034232065 | 3 | 23.8664341 | 0 |
2 | 2023 | 000002 | K70 | 0.626809001 | 0.010475483 | 3 | 31.98548698 | 1 |
2 | 2024 | 000002 | K70 | 0.587746978 | 0.034254761 | 3 | 28.73895645 | 0 |
2 | 2025 | 000002 | K70 | 0.438151002 | 0.053394567 | 3 | 26.70202446 | 0 |
机构投资者异质性2025.xlsx
(3.92 MB, 需要: RMB 29 元)


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