[Retracted] Digital Inclusive Finance Data Mining and Model-Driven Analysis of the Impact of Urban-Rural Income Gap

Table 7

Robustness tests.

	1	2	3	4
	0.65	0.71	0.61	0.63
difi	-0.15
cov		0.09
bre			0.81
dig				0.71
Control variable	Control	Control	Control	Control
Regional effect	Control	Control	Control	Control
Time effect	Control	Control	Control	Control
AR(1)	0.19	0.09	0.02	0
AR(2)	0.52	0.23	0.32	0.37
Sargan	0.36	0.32	0.25	0.35
Obs	270	270	270	270