| Variable Name | Explanation |
| Corporate Innovation (Dependent Variable) | |
| Ln (Inven + 1) | 发明专利总数加一的自然对数 |
| Ln (Inven + Utility + 1) | 发明专利号和实用新型专利号加一的自然对数 |
| Ln (R&D) | 研发费用的自然对数 |
| Innovation Efficiency |
|
| Environment Score | |
| Ln (Score) | 每家公司的环境得分 |
| Firm Characteristics (Control Variables) | |
| Firm Size | 总资产的自然对数 |
| Firm Age | 固定年份的自然对数加1 |
| Leverage |
|
| ROA |
|
| Book to Market |
|
| SOE | 每家公司持股比例 |