Table 5 Threshold effect regression results.

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

Variable

Assembly rate

Policy effectiveness

Single threshold

Double threshold

Single threshold

Double threshold

(1)

(2)

(3)

(4)

Zpl_1

1.086606***

(0.0000)

0.6593695***

(0.000)

  

Zpl_2

0.5105129***

(0.0000)

1.094661***

(0.000)

  

Zpl_3

 

0.4848524***

(0.000)

  

Zcxl_1

  

0.2143367***

(0.0000)

0.2667179***

(0.000)

Zcxl_2

  

0.0760323***

(0.0000)

0.2042897***

(0.0000)

Zcxl_3

   

0.0848474***

(0.000)

Pgdp

0.1758715**

(0.024)

0.0347446

(0.622)

0.1312018*

(0.089)

0.1628503**

(0.021)

Cyjg

−0.2397727

(0.528)

−0.1936338

(0.557)

−0.1696507

(0.659)

−0.3757511

(0.286)

Nyjg

2.501793***

(0.001)

1.981342***

(0.004)

1.684509**

(0.026)

1.174122*

(0.089)

Nyqd

−0.1931844***

(0.004)

−0.1786059***

(0.002)

−0.1623135**

(0.014)

−0.1384652**

(0.021)

Tech

−0.0191053

(0.359)

−0.0054001

(0.766)

0.0000389

(0.998)

0.0041998

(0.8082)

  1. The numbers in the table represent regression coefficients for variables. ***, ** and * indicate that the regression coefficients are significantly different from zero at the 1%, 5%, and 10% significance levels, respectively. The corresponding p-values are provided in parentheses. This is used to display the reliability of regression results.
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