Towards the Coupling Coordination Relationship between Economic Growth Quality and Environmental Regulation: An Empirical Case Study of China

Table 4

LM test results.

Test	Statistic	df	P(≤)
Spatial error:
Lagrange multiplier	21.659	1	0.001
Robust Lagrange multiplier	0.005	1	0.944
Spatial lag:
Lagrange multiplier	50.072	1	0.001
Robust Lagrange multiplier	28.418	1	0.001