Research Article
Mechanism and Test of the Impact of Lack of Human Capital on Ecological Development in Innovation Sector
Table 3
Instrumental variable estimation results.
| | Variable | | Variable | | | (1) | (2) | (3) | (4) |
| | Mis | 1.5725 (0.8349) | 1.6782 (0.7935) | Mis | 0.8784 (0.2554) | 0.8560 (0.2487) | | Mis x year | −0.0007(0.0004) | −0.0009(0.0004) | Mis X year | −0.0004(0.0001) | −0.0004(0.0001) | | Control variable | No | Yes | Control variable | No | Yes | | Regional effect | Yes | Yes | Regional effect | Yes | Yes | | Time effect | No | No | Time effect | No | No | | Wald chi2 | 47.72 | 118.75 | Wald chi2 | 36.77 | 59.83 | | R2 | 0.1722 | 0.2478 | R2 | 0.0320 | 0.0770 | | Number of samples | 650 | 650 | Number of samples | 650 | 650 |
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