Table 3 Regression results.

From: Dual effects of digital technology on high quality development of road transportation in Heilongjiang Province China

Variables

(1)

(2)

(3)

(4)

(5)

(6)

HQDRT

HQDRT

HQDRT

HQDRT

HQDRT

HQDRT

UDTL

0.405***

0.402***

0.403***

0.403***

0.398***

0.392***

 

(0.048)

(0.048)

(0.050)

(0.050)

(0.050)

(0.050)

LED

 

0.017

0.016

0.016

0.007

0.008

  

(0.014)

(0.015)

(0.015)

(0.017)

(0.017)

DGI

  

0.002

0.002

0.006

0.004

   

(0.019)

(0.019)

(0.019)

(0.019)

PD

   

0.008

0.006

0.008

    

(0.033)

(0.033)

(0.033)

DOFT

    

0.028

0.031

     

(0.021)

(0.022)

IS

     

0.051

      

(0.068)

FE Year

Yes

Yes

Yes

Yes

Yes

Yes

FE Province

Yes

Yes

Yes

Yes

Yes

Yes

N

144

144

144

144

144

144

R2

0.978

0.978

0.978

0.978

0.979

0.979

  1. Note: standard errors in parentheses, *p < 0.1, **p < 0.05, ***p < 0.01