变量名称 | 绿色发明申请 | ||||||||
(1) | (2) | (3) | (4) | ||||||
控制型文化 | 0.090*** |
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| (2.58) |
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竞争型文化 |
| −0.004 |
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| (−0.69) |
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协作型文化 |
|
| −0.013* |
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|
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| (−1.80) |
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创造型文化 |
|
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| 0.061*** | |||||
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| (3.67) | |||||
CEO性别 | 0.097*** | 0.096*** | 0.096*** | 0.097*** | |||||
| (5.39) | (5.32) | (5.35) | (5.42) | |||||
CEO年龄 | 0.056 | 0.055 | 0.056 | 0.057 | |||||
| (1.51) | (1.49) | (1.50) | (1.53) | |||||
CEO教育水平 | 0.087*** | 0.089*** | 0.088*** | 0.087*** | |||||
| (8.28) | (8.45) | (8.38) | (8.29) | |||||
CEO薪酬 | 0.022*** | 0.022*** | 0.022*** | 0.022*** | |||||
| (4.96) | (4.98) | (4.95) | (4.94) | |||||
CEO双重性 | −0.010 | −0.009 | −0.009 | −0.010 | |||||
| (−0.83) | (−0.76) | (−0.77) | (−0.83) | |||||
董事会规模 | 0.085** | 0.086** | 0.086** | 0.085** | |||||
| (2.13) | (2.16) | (2.15) | (2.13) | |||||
董事会独立性 | 0.180 | 0.179 | 0.180 | 0.181 | |||||
| (1.48) | (1.47) | (1.48) | (1.48) | |||||
董事会会议 | 0.086*** | 0.087*** | 0.086*** | 0.086*** | |||||
| (5.25) | (5.28) | (5.25) | (5.25) | |||||
公司规模 | 0.325*** | 0.325*** | 0.326*** | 0.326*** | |||||
| (33.28) | (33.28) | (33.29) | (33.31) | |||||
公司年龄 | −0.022*** | −0.019** | −0.020*** | −0.023*** | |||||
| (−2.76) | (−2.40) | (−2.58) | (−2.90) | |||||
ROA | −0.625*** | −0.621*** | −0.623*** | −0.625*** | |||||
| (−7.72) | (−7.68) | (−7.71) | (−7.73) | |||||
杠杆率 | 0.458*** | 0.458*** | 0.458*** | 0.459*** | |||||
| (16.91) | (16.89) | (16.90) | (16.92) | |||||
四大审计 | 0.231*** | 0.230*** | 0.231*** | 0.232*** | |||||
| (7.05) | (7.02) | (7.04) | (7.07) | |||||
分析师 | 0.041*** | 0.041*** | 0.041*** | 0.041*** | |||||
| (6.71) | (6.69) | (6.70) | (6.74) | |||||
企业产权 | 0.121*** | 0.120*** | 0.120*** | 0.121*** | |||||
| (9.94) | (9.89) | (9.91) | (9.96) | |||||
常量 | −4.185*** | −4.184*** | −4.178*** | −4.191*** | |||||
| (−21.40) | (−21.38) | (−21.35) | (−21.43) | |||||
样本量 | 25,506 | 25,506 | 25,506 | 25,506 | |||||
调整的R2 | 0.240 | 0.239 | 0.239 | 0.240 | |||||
年份效应 | YES | YES | YES | YES | |||||
行业效应 | YES | YES | YES | YES | |||||