Table 7 Interaction effect of the scale of existing inventor cooperation and technological overlap.

From: The impacts of technological overlap on international collaboration in China’s green innovation endeavors

 

All countries

G7

U.S.

G7 excluding U.S.

Non-G7

JK

BRICS

(1)

(2)

(3)

(4)

(5)

(6)

(7)

Overlapijt−3

×InvCoijt−3

0.290***

(3.76)

0.314***

(4.08)

0.268***

(5.13)

0.266

(1.02)

– 0.133

(– 0.84)

0.009

(0.07)

0.291**

(2.20)

r2_a

0.323

0.326

0.555

0.172

0.319

0.160

0.402

FEit,FEit,FEij

Yes

Yes

Yes

Yes

Yes

Yes

Yes

N_clust

18,166

5332

1581

3751

12,834

527

4464

N

272,490

79,980

23,715

56,265

192,510

7905

66,960