Table 4.

Constraint statistics of the spatial econometric models.

Test	LNHRDI_P	LNHRDI_N
Moran's I	16.809***	16.529***
LM-error	248.210***	239.826***
Robust LM-error	188.455***	184.077***
LM-lag	59.804***	56.014***
Robust LM-lag	0.050	0.266
LR error	28.24***	56.59***
LR lag	20.50***	61.44***
Wald error	29.55***	62.82***
Wald lag	20.73***	69.93***

^***P < 0.01.