Table 6 Inspection results of integration effect.

From: A quasi-natural experimental study on enterprise innovation driven by urban agglomeration policies in China

Variable

Cost

rd

did1

− 0.000380***

 

(− 3.15)

 

did2

 

0.0162***

 

(3.53)

DID

0.143*

− 0.159*

(1.78)

(− 1.77)

Cost

0.000190***

 

(2.70)

 

rd

 

0.0845***

 

(13.91)

Size

0.447***

0.316***

(11.53)

(8.70)

Age

− 0.781***

− 0.575***

(− 4.76)

(− 5.04)

Lev

− 0.00827***

− 0.00577***

(− 4.15)

(− 3.01)

Sub

− 0.0266

− 0.0329

(− 1.01)

(− 1.31)

Growth

− 0.00503

0.000534

(− 0.35)

(0.04)

Roa

0.811**

0.788**

(2.38)

(2.02)

Cashflow

0.0582

0.0794

(0.40)

(0.72)

_cons

2.599***

1.849***

(4.30)

(3.35)

Induetry

Yes

Yes

Year

Yes

Yes

N

16,160

16,160

r2

0.450

0.490

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