模型

1-(1)

1-(2)

1-(3)

被解释变量

Patent

Employment

RD

解释变量及 控制变量

VC

25.255

(4.026)***

0.124

(0.028)***

2.480

(0.681)***

Tshare

0.872

(0.649)

0.007

(0.005)

0.071

(0.111)

LnEqu

4.115

(3.531)

−0.034

(0.025)

−1.515

(0.604)**

ROE

0.031

(0.144)

−0.001

(0.001)

0.031

(0.025)

YEAR

Control

Control

Control

IND

Control

Control

Control

样本数

211

211

211

修正后R²

0.1742

0.2865

0.1026

F值

3.86

6.65

2.58

Prob(F)

0.0000

0.0000

0.0020