Digital Economy’s Spatial Implications on Urban Innovation and Its Threshold: Evidence from China

Table 4

Model selection tests for the spatial econometric approach.

Model selection test	Chi2 statistic	-value
Hausman test	31.76	0.001
Wald test	202.94	0.001
LR test (SDM vs SAR)	145.90	0.001
LR test (SDM vs SEM)	72.89	0.001
LR test (Ind-year-FE vs individual-FE)	31.50	0.001
LR test (Ind-year-FE vs year-FE)	4351.18	0.001