Nationwide

Northeast

East

West

Central

LR test

Spatial fixed

30.9523

9.5288**

8.8076**

4.4938***

5.6171

Time fixed

27.0802**

17.1082

32.0296***

11.9144

34.0069***

LM test (robust)

spatial lag

7.8009***

9.4342***

8.7216***

1.7081

2.0128***

spatial error

11.8502**

13.0144**

12.1879***

5.8694**

4.1030**

Wald test

spatial lag

25.9386***

15.1201**

18.5121***

14.0831*

12.1278*

spatial error

14.4481**

14.4200**

16.3334**

3.2752

19.4052***