Table 18 Test results of Spatial spillover Effects.
From: The impact of china’s artificial intelligence pilot policies on enterprise supply chain resilience
Variables | (1) | (2) | (3) |
|---|---|---|---|
Adjacency matrix | Economic distance matrix | Geographical distance matrix | |
AI | 0.0426*** | 0.0405*** | 0.0416*** |
(0.0019) | (0.0019) | (0.0018) | |
AI×W | 0.0084** | 0.0546*** | 0.0604*** |
(0.0041) | (0.0059) | (0.0092) | |
Direct effect | 0.0444*** | 0.0431*** | 0.0456*** |
(0.0020) | (0.0019) | (0.0019) | |
Indirect effect | 0.0302*** | 0.0879*** | 0.2233*** |
(0.0051) | (0.0069) | (0.0272) | |
Overall effect | 0.0746*** | 0.1311*** | 0.2689*** |
(0.0060) | (0.0074) | (0.0278) | |
rho | 0.3197*** | 0.2729*** | 0.6175*** |
(0.0251) | (0.0407) | (0.0401) | |
sigma2_e | 0.0001*** | 0.0001*** | 0.0001*** |
(0.0000) | (0.0000) | (0.0000) | |
LM-Error | 151.111*** | 0.505 | 275.051*** |
R-LM-Error | 96.917*** | 4.849** | 132.376*** |
LM-Lag | 54.301*** | 1.826 | 179.204*** |
R-LM-Lag | 0.107 | 6.169** | 36.528*** |
LR-Error | 93.34*** | 150.36*** | 95.66*** |
LR-Lag | 62.81*** | 46.59*** | 27.99*** |
Wald-Error | 93.16*** | 155.84*** | 95.75*** |
Wald-Lag | 63.80*** | 42.99*** | 27.19*** |
Hausman | 116.66*** | 4025.89*** | 223.49*** |
R2 | 0.0653 | 0.5790 | 0.2513 |
Log-L | 7139.0141 | 7147.0436 | 7249.2522 |
N | 2,288 | 2,288 | 2,288 |