Table 9 Results of Spatial spillover effect test.

From: Spatial spillover effect and heterogeneity of digital economy on agricultural carbon emissions

Variable

SAR

SEM

SDM

Regression coefficient

Standard error

Regression coefficient

Standard error

Regression coefficient

Standard error

DIG

− 0.226**

0.110

− 0.243**

0.112

− 0.410***

0.132

FSA

− 0.066***

0.014

− 0.079***

0.015

− 0.102***

0.015

PS

− 1.231***

0.152

− 1.268***

0.148

− 0.756***

0.164

LNGDP

− 0.308***

0.067

− 0.304***

0.065

− 0.130

0.094

UR

1.198***

0.323

1.188***

0.325

0.306

0.374

ISU

0.529**

0.233

0.511**

0.231

0.640***

0.244

AIS

− 0.242***

0.040

− 0.235***

0.041

− 0.223***

0.043

W×DIG

    

− 2.463**

1.095

W×FSA

    

− 0.290***

0.063

W×PS

    

0.306

0.988

W×LNGDP

    

− 0.241

0.495

W×UR

    

− 0.731

2.501

W×ISU

    

3.000*

1.578

W×AIS

    

− 0.255

0.264

Rho/Lambda

0.175

0.171

− 0.345

0.256

− 0.213

0.223

Sigma2_e

0.003***

0.000

0.003***

0.000

0.003***

0.000

τt

Yes

Yes

Yes

δi

Yes

Yes

Yes

Log-likelihood

482.497

482.924

510.141

Observations

330

330

330

  1. “*”, “**”, and “***” respectively indicate significant levels at the 10%, 5%, and 1% levels.