被解释变量

探索式创新投入(R)

模型(1)

模型(2)

(1)

(2)

(3)

(4)

Debt

−0.026***

−0.013***

−0.008***

−0.002

(−10.469)

(−5.296)

(−2.607)

(−0.515)

YF

0.034***

0.027***

(10.301)

(9.242)

DebtYF

−0.061***

−0.045***

(−4.021)

(−3.287)

Fix

−0.019***

−0.017***

(−6.239)

(−5.777)

Cfo

−0.003

−0.001

(−0.388)

(−0.164)

Sale

0.012***

0.013***

(9.462)

(10.406)

Age

−0.011***

−0.009***

(−7.444)

(−6.394)

TBQ

0.004***

0.004***

(13.169)

(12.555)

Board

0.001

−0.001

(0.223)

(−0.350)

_cons

0.032***

0.046***

0.023***

0.036***

(52.928)

(6.647)

(25.082)

(5.388)

N

8366

8366

8366

8366

Adj-R2

0.261

0.382

0.302

0.408

Year

YES

YES

YES

YES

Ind

YES

YES

YES

YES

Prov

YES

YES

YES

YES