| 变量 | lnNzi,t-2 | lnGDP | lnNci,t-2 | lnGDP |
|---|---|---|---|---|
| (1) | (2) | (3) | (4) | |
| IVzi,t-2 | 0.0703*** | |||
| (0.0139) | ||||
| lnNzi,t-2 | 0.0756 | |||
| (0.0432) | ||||
| IVci,t-2 | 0.5442*** | |||
| (0.0502) | ||||
| lnNci,t-2 | 0.0131*** | |||
| (0.0033) | ||||
| R2 | 0.4558 | 0.9380 | 0.7118 | 0.5278 |
| 可识别检验（LM值） | 40.44 | 466.94 | ||
| p值 | [0.0000] | [0.0000] | ||
| 弱iv检验（F值） | 40.8 | 490.53 | ||
| 10%临界值 | 16.38 | 16.38 | ||
