变量名称 | 绿色发明和实用新型专利 | ||||
(1) | (2) | (3) | (4) | ||
控制型文化 | 0.082** |
|
|
| |
| (2.04) |
|
|
| |
竞争型文化 |
| −0.002 |
|
| |
|
| (−0.24) |
|
| |
协作型文化 |
|
| −0.012* |
| |
|
|
| (−1.86) |
| |
创造型文化 |
|
|
| 0.062*** | |
|
|
|
| (3.14) | |
CEO性别 | 0.108*** | 0.107*** | 0.108*** | 0.109*** | |
| (4.90) | (4.84) | (4.87) | (4.93) | |
CEO年龄 | 0.094** | 0.093** | 0.093** | 0.095** | |
| (2.04) | (2.02) | (2.03) | (2.06) | |
CEO教育 | 0.111*** | 0.112*** | 0.111*** | 0.110*** | |
| (8.75) | (8.90) | (8.83) | (8.74) | |
CEO报酬 | 0.028*** | 0.028*** | 0.028*** | 0.028*** | |
| (5.45) | (5.47) | (5.44) | (5.43) | |
CEO双重身份 | −0.032** | −0.031** | −0.031** | −0.032** | |
| (−2.21) | (−2.15) | (−2.17) | (−2.23) | |
董事会规模 | 0.094** | 0.095** | 0.095** | 0.094** | |
| (2.02) | (2.05) | (2.04) | (2.02) | |
董事会独立性 | 0.015 | 0.013 | 0.015 | 0.015 | |
| (0.10) | (0.09) | (0.10) | (0.11) | |
董事会会议 | 0.125*** | 0.125*** | 0.125*** | 0.125*** | |
| (6.40) | (6.43) | (6.40) | (6.40) | |
公司规模 | 0.382*** | 0.382*** | 0.382*** | 0.382*** | |
| (33.92) | (33.91) | (33.93) | (33.94) | |
公司年龄 | −0.049*** | −0.046*** | −0.047*** | −0.050*** | |
| (−5.10) | (−4.79) | (−4.97) | (−5.27) | |
ROA | −0.726*** | −0.722*** | −0.725*** | −0.727*** | |
| (−7.39) | (−7.36) | (−7.38) | (−7.40) | |
杠杆率 | 0.662*** | 0.662*** | 0.662*** | 0.663*** | |
| (20.14) | (20.13) | (20.13) | (20.14) | |
四大审计 | 0.228*** | 0.227*** | 0.228*** | 0.229*** | |
| (6.27) | (6.23) | (6.26) | (6.29) | |
分析师 | 0.054*** | 0.054*** | 0.054*** | 0.054*** | |
| (7.41) | (7.39) | (7.40) | (7.44) | |
企业产权 | 0.141*** | 0.141*** | 0.141*** | 0.142*** | |
| (9.74) | (9.69) | (9.71) | (9.76) | |
常量 | −4.964*** | −4.963*** | −4.957*** | −4.969*** | |
| (−21.13) | (−21.12) | (−21.09) | (−21.16) | |
样本量 | 25,506 | 25,506 | 25,506 | 25,506 | |
调整的R2 | 0.259 | 0.259 | 0.259 | 0.260 | |
年份效应 | YES | YES | YES | YES | |
行业效应 | YES | YES | YES | YES |