Table 6.
Selection results of spatial econometric model types.
| Test type | Null Hypothesis | Test Statistic | P-value | Result | |||
|---|---|---|---|---|---|---|---|
| Livser | Infser | Livser | Infser | Livser | Infser | ||
| LM test | SEM | 73.719 | 3.192 | 0.000 | 0.074 | Selecting SDM | Selecting SDM |
| SEM (robust) | 42.759 | 12.259 | 0.000 | 0.000 | |||
| SAR | 50.559 | 7.438 | 0.000 | 0.023 | |||
| SAR (robust) | 19.599 | 9.141 | 0.000 | 0.002 | |||
| Hausman test | Random effect | 22.480 | 19.797 | 0.0000 | 0.0710 | Rejecting the null hypothesis, fixed effects are selected | Rejecting the null hypothesis, fixed effects are selected |
| LR test | SDM can be simplified to SAR | 53.84 | 24.74 | 0.0047 | 0.0161 | Rejecting the null hypothesis, Selecting SDM | Rejecting the null hypothesis, Selecting SDM |
| SDM can be simplified to SEM | 66.21 | 23.67 | 0.0042 | 0.0225 | Rejecting the null hypothesis, Selecting SDM | Rejecting the null hypothesis, Selecting SDM | |
| Fixed effect test | Individual fixed effects are preferred over both fixed effects | 44.89 | 36.24 | 0.0000 | 0.0873 | Rejecting the null hypothesis, the two-way fixed effects model is selected | Rejecting the null hypothesis, the two-way fixed effects model is selected |
| Time fixed effects are preferred over both fixed effects | 1429.25 | 1344.40 | 0.0000 | 0.0000 | Rejecting the null hypothesis, the two-way fixed effects model is selected | Rejecting the null hypothesis, the two-way fixed effects model is selected | |