| 被解释变量:专利数(t + 1) | 被解释变量:专利质量(t + 1) | ||
| CSR行业领先 | CSR行业落后 | CSR行业领先 | CSR行业落后 |
变量 | (1) | (2) | (3) | (4) |
企业社会责任 | 2.438*** | −0.304 | 0.150** | −0.0370 |
| (3.613) | (−0.313) | (2.019) | (−0.321) |
董事会规模 | 0.0307 | 0.0593** | −0.00258 | 0.00448 |
| (0.944) | (2.111) | (−0.746) | (1.487) |
杠杆水平 | 1.762*** | 1.361*** | 0.0592 | 0.0390 |
| (5.155) | (5.367) | (1.392) | (1.237) |
企业年龄 | 0.0247 | 0.131 | 0.0684*** | 0.0240 |
| (0.142) | (0.895) | (3.604) | (1.450) |
企业规模 | −0.0151 | 0.287*** | −0.00867 | 0.0150*** |
| (−0.338) | (7.080) | (−1.608) | (3.361) |
研发投入强度 | 0.193*** | 0.136*** | 0.00799*** | 0.00348 |
| (6.740) | (5.538) | (2.640) | (1.413) |