股权集中度与中国私营矿业公司治理效率
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郑明贵,曾健林
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Equity Concentration and Corporate Governance Efficiency of Private Mining Companies in China
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Minggui ZHENG,Jianlin ZENG
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表6 模型回归结果
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Table 6 Regression results
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变量 | 模型1 | 模型2 | 模型3 | 模型4 |
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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) | N | 94 | 110 | 36 | 240 | Adj-R2 | 0.2210 | 0.3230 | 0.4310 | 0.3390 | F | 9.8100 | 18.3000 | 9.8500 | 41.8000 |
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