Table 3 Results of the unit root test for residuals µ.

From: Threshold effect study on the development of prefabricated buildings for energy conservation and emission reduction in the construction industry

Variable

Test type(C, T,L)

ADF

Threshold

Result

1%

5%

10%

µ

(0,0,10)

−8.978578

−4.020822

−3.440263

−3.144585

Stable