Table 4.
Panel regression results of the Durbin model.
| (1) | (2) | (3) | (4) | (5) | |
|---|---|---|---|---|---|
| W 1 | W 2 | W 3 | W 4 | W 5 | |
| ρ | 0.2338*** | 0.2111*** | 0.2530*** | 0.2114*** | 0.2303*** |
| (3.1421) | (3.2640) | (3.8655) | (3.5521) | (3.1165) | |
| Internet 1 | −0.0276** | −0.0255* | −0.0233* | −0.0246*** | −0.0207** |
| (−2.0131) | (−1.8030) | (−1.7005) | (−3.8033) | (−2.1001) | |
| d-internet | 0.0216** | 0.0224* | 0.0210 | 0.0198** | 0.0222* |
| (2.0125) | (1.8954) | (1.5011) | (2.1363) | (1.9901) | |
| People | −0.0196** | −0.0250** | −0.0255* | −0.0224** | −0.0220** |
| (−2.2640) | (−2.1320) | (−1.8063) | (−2.0512) | (−2.0774) | |
| rgdp | 0.0012 | 0.0010 | 0.0011 | 0.0008 | 0.0015 |
| (0.1223) | (0.1127) | (0.1334) | (0.1166) | (0.1662) | |
| Phone | −0.0124* | −0.0113* | −0.0101 | −0.0155** | −0.0130** |
| (-1.9103) | (−1.8245) | (−1.4401) | (−2.0077) | (−2.1033) | |
| Expend | −0.0755* | −0.0733 | −0.0614* | −0.0880** | −0.0832* |
| (−1.8130) | (−1.5223) | (−1.7752) | (−2.1141) | (−1.8805) | |
| Air | −0.0220* | −0.0227** | −0.0304 | −0.0281** | −0.0261* |
| (−1.9136) | (−2.177) | (−1.2244) | (−2.0146) | (−1.8220) | |
| R-squared | 0.193 | 0.197 | 0.224 | 0.265 | 0.217 |
| Region effect | Yes | Yes | Yes | Yes | Yes |
| Time effect | Yes | Yes | Yes | Yes | Yes |
| Province | 30 | 30 | 30 | 30 | 30 |
| Observations | 310 | 310 | 310 | 310 | 310 |
*, **, ***denote variables significant at the 10, 5, and 1% levels, respectively, and values in parentheses are t-values.