Table 4 Robustness test of the impact of Regional Digital Transformation on Employment Quality.

Replace of Qualy

Replace of Dig measures

Dig lagged one period

Sub-sample regression

Panel Tobit

L.Qualy

0.019

(0.076)

0.399***

(0.107)

0.335***

(0.110)

0.074**

(0.174)

Dig

−2.335***

(0.645)

−0.357***

(0.123)

−0.913*

(0.531)

−0.957*

(0.187)

−0.266*

(0.263)

Dig^2

3.436***

(0.846)

0.457***

(0.105)

1.392*

(0.748)

1.328*

(0.346)

0.911***

(0.322)

Intensity

−0.566

(1.816)

−0.034

(0.376)

−0.111*

(0.382)

0.394

(1.073)

0.010**

(0.005)

Stock

0.554*

(0.508)

0.392*

(0.233)

0.459*

(0.299)

0.059*

(0.602)

0.064

(0.039)

Rd

−251.027

(257.899)

−29.840

(80.444)

−36.790

(99.881)

105.429**

(37.830)

0.016**

(0.006)

Govern

0.459

(0.847)

−0.923**

(0.456)

−0.713*

(0.999)

0.263*

(1.423)

−0.111**

(0.055)

Income

−0.160

(0.576)

−0.294*

(0.406)

−0.415

(0.622)

−0.534

(1.504)

−0.130**

(0.054)

Economy

0.225

(0.602)

0.445*

(0.297)

0.619*

(0.368)

0.654**

(0.153)

0.292***

(0.044)

cons

1.425***

(0.216)

0.266***

(0.090)

0.252**

(0.179)

0.143*

(0.128)

0.693***

(0.135)

Control

Yes

Yes

Yes

Yes

Yes

Year

Yes

Yes

Yes

Yes

Yes

Qualy_it−−1

0.010

0.000

0.002

0.000

AR(1)

0.041

0.010

0.019

0.005

AR(2)

0.087

0.290

0.470

0.019

Sargan test

0.000

0.000

0.001

0.000

Hansen test

0.436

0.579

0.655

0.061