变量

PU

did1

10.0123*

(0.0615)

did2

3.7774

(0.4796)

did3

1.3394

(0.8044)

rjgdp

0.0017***

(0.0000)

industry

174.9118***

(0.0000)

urban

−1.3e+02**

(0.0233)

fin

−3.3289

(0.4122)