Table 2 Impact of the digital economy on technological innovation in cities.
Variable | (1) | (2) | (3) | (4) | (5) |
|---|---|---|---|---|---|
DID | 4.841*** | 2.726*** | 1.950** | 2.049** | 2.323** |
(1.450) | (0.957) | (0.951) | (0.950) | (0.950) | |
GDP | 6.286*** | 3.415 | 7.868*** | ||
(2.332) | (2.684) | (2.907) | |||
pop | 34.891*** | 32.804*** | 32.193*** | ||
(4.243) | (4.250) | (4.244) | |||
industry | −0.266*** | −0.244*** | −0.253*** | ||
(0.069) | (0.069) | (0.069) | |||
finr | −2.724** | −2.201* | |||
(1.317) | (1.327) | ||||
fine | −1.084 | −0.250 | |||
(1.708) | (1.717) | ||||
tec | 3.158*** | 3.335*** | |||
(0.552) | (0.553) | ||||
invest | −3.281*** | ||||
(0.841) | |||||
fdi | −0.0551 | ||||
(0.179) | |||||
Constant | 9.822*** | 3.559*** | −285.120*** | −207.911*** | −243.623*** |
(0.463) | (0.625) | (34.573) | (38.681) | (39.672) | |
N | 3123 | 3123 | 3123 | 3123 | 3123 |
R-squared | 0.004 | 0.199 | 0.229 | 0.238 | 0.242 |
Urban Effect | NO | YES | YES | YES | YES |
Time Effect | NO | YES | YES | YES | YES |
