| 债务融资成本 | 股权融资成本 | ||||
| 非国有 | 国有 | 非国有 | 国有 | ||
EP3 | −0.020 | 0.307** | 0.050*** | 0.106*** | ||
| (−0.50) | (2.28) | (3.38) | (5.01) | ||
EP3sq | 0.011 | −0.294** | −0.020 | −0.086*** | ||
| (0.29) | (−2.31) | (−1.41) | (−4.24) | ||
N | 2411 | 1219 | 2411 | 1219 | ||
r2 | 0.021 | 0.129 | 0.107 | 0.066 | ||
F | 7.769 | 2.526 | 17.149 | 7.459 | ||