股权集中度与中国私营矿业公司治理效率
郑明贵,曾健林

Equity Concentration and Corporate Governance Efficiency of Private Mining Companies in China
Minggui ZHENG,Jianlin ZENG
表6 模型回归结果
Table 6 Regression results
变量模型1模型2模型3模型4
STRUC_1(STRUC≤0.2973)

0.9233***

(2.8460)

---
STRUC_2(0.2973<STRUC≤0.4606)-

-0.7410**

(-2.0696)

--
STRUC_2 (0.4606<STRUC--

-0.6509**

(-2.4697)

-
SIZE---

-0.0789***

(-7.6385)

YEAR

-0.0121***

(-2.8781)

0.0059*

(1.6674)

0.0171**

(2.6757)

0.0035

(1.5988)

TOBIN

0.0222***

(4.6762)

0.0612***

(6.1857)

0.1871***

(5.4109)

0.0140***

(3.0978)

Constant

0.7136***

(8.8177)

0.7328***

(4.6075)

0.4979***

(3.1602)

0.9144***

(15.2600)

N9411036240
Adj-R20.22100.32300.43100.3390
F9.810018.30009.850041.8000