variable

model 4

model 5

model 6

model 7

ROS

ROS

RDin

ROS

control variables

Owner

0.041

(1.440)

0.041

(1.439)

−0.034

0.043

(1.528)

Scale

0.239***

(7.318)

0.252***

(7.672)

−0.098***

0.259***

(7.875)

Age

0.048

(1.455)

0.057*

(1.729)

−0.107***

0.064**

(1.955)

ALR

−0.624***

(−22.138)

−0.376***

(−22.353)

−0.264***

−0.609***

(−21.014)

BIR

0.180***

(7.021)

0.174***

(6.795)

−0.073***

0.179***

(6.991)

Year

−0.118***

(−4.495)

−0.116***

(−4.441)

0.133***

−0.126***

(−4.762)

Industry

−0.188***

(−7.705)

−0.179***

(−7.339)

−0.266***

−0.61***

(−6.293)

independent variable

Suc * Inhe

−0.080***

(−3.166)

−0.146***

−0.069**

(−2.726)

mediating variables

RDin

0.071***

(2.592)

F

96.138***

86.117***

47.778***

77.630***

Adj.R2

0.393

0.399

0.267

0.402