| Variable Type | Variable Symbol | Definition |
| Dependent variable | INS | Institutional investor’s shareholding ratio, data from WIND database |
| Independent variable | CSR Risk | Corporate social responsibility risk, data from RepRisk database |
| Control variable | SIZE | Company size, natural logarithm of total assets |
| LEV | Financial leverage, liabilities divided by assets | |
| State | Dummy variable, when the actual controller of the enterprise is set to 1 for the state-owned unit, otherwise 0 | |
| ROA | Return on total assets, annual net profit divided by total assets at the end of the year | |
| Growth | Operating income growth rate, the current operating income minus the operating income of the previous period, and then divided by the operating income of the previous period | |
| TRSHARE | Natural logarithm of the number of shares outstanding at the end of the year | |
| TOP | Equity concentration, the sum of the company’s largest shareholder’s shareholding ratio | |
| TAMVB | Book value ratio, total assets divided by market value | |
| BPS | Net assets per share, net assets divided by the number of ordinary shares at the end of the period | |
| Mortgage | Fixed assets ratio, fixed assets divided by total assets | |
| VOL | Annual turnover of corporate stocks | |
| EXCP | Executive compensation, the natural logarithm of the top 3 executive compensation | |
| IDB | Independent director ratio, the number of independent directors divided by the number of directors | |
| GCFO | Net flow growth rate from operating activities | |
| SC | Selling expenses as a percentage of assets, selling expenses divided by total assets | |
| JNN | Shareholding ratio of the Supervisory Board, divided by the total number of shares held by the Supervisory Board | |
| ROWC | Working capital turnover, operating income divided by average working capital | |
| Market | Marketization index, the data comes from “China’s Marketization Index Report by Province” | |
| WCLRat | Working capital to borrowing ratio, working capital divided by total borrowings |