Nationwide

Northeast

East

West

Central

LR test

Spatial fixed

59.7511***

24.6279***

9.2095

24.5453***

50.5407***

Time fixed

28.1792***

18.694

59.6224***

20.0697***

15.4246

LM test (robust)

spatial lag

7.8719***

2.2268

2.0829

1.2221

6.9778***

spatial error

11.8492**

4.6751**

6.044**

15.3614***

6.2578**

Wald test

spatial lag

13.3461*

39.0109***

12.9337*

33.7675***

13.6889*

spatial error

15.1170**

25.5371***

3.8885

1.7259

15.035**