变量名称 | 绿色发明申请 | |||||||
| Poisson | Negative Binomial | ||||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
控制型文化 | 0.129*** |
|
|
| 0.109** |
|
|
|
| (2.68) |
|
|
| (2.18) |
|
|
|
竞争型文化 |
| −0.010 |
|
|
| −0.008 |
|
|
|
| (−0.89) |
|
|
| (−0.70) |
|
|
协作型文化 |
|
| −0.030** |
|
|
| −0.026** |
|
|
|
| (−2.30) |
|
|
| (−1.98) |
|
创造型文化 |
|
|
| 0.102*** |
|
|
| 0.091*** |
|
|
|
| (3.72) |
|
|
| (3.21) |
公司规模 | 0.503*** | 0.503*** | 0.504*** | 0.503*** | 0.519*** | 0.520*** | 0.520*** | 0.520*** |
| (38.84) | (38.85) | (38.89) | (38.87) | (38.38) | (38.40) | (38.44) | (38.42) |
公司年龄 | −0.057*** | −0.054*** | −0.057*** | −0.061*** | −0.059*** | −0.056*** | −0.059*** | −0.062*** |
| (−3.98) | (−3.70) | (−3.96) | (−4.21) | (−3.95) | (−3.72) | (−3.94) | (−4.16) |
ROA | −1.047*** | −1.043*** | −1.046*** | −1.044*** | −1.056*** | −1.053*** | −1.056*** | −1.056*** |
| (−6.78) | (−6.75) | (−6.77) | (−6.75) | (−6.51) | (−6.49) | (−6.51) | (−6.52) |
杠杆率 | 1.012*** | 1.014*** | 1.015*** | 1.013*** | 0.989*** | 0.990*** | 0.990*** | 0.989*** |
| (17.61) | (17.66) | (17.66) | (17.62) | (16.75) | (16.76) | (16.77) | (16.75) |
四大审计 | 0.068** | 0.070** | 0.070** | 0.070** | 0.073** | 0.074** | 0.074** | 0.074** |
| (2.16) | (2.19) | (2.22) | (2.22) | (2.15) | (2.17) | (2.18) | (2.17) |
分析师 | 0.123*** | 0.124*** | 0.124*** | 0.124*** | 0.125*** | 0.126*** | 0.125*** | 0.125*** |
| (10.96) | (10.98) | (10.97) | (10.98) | (10.97) | (10.98) | (10.97) | (10.98) |
企业产权 | 0.229*** | 0.227*** | 0.229*** | 0.230*** | 0.236*** | 0.234*** | 0.235*** | 0.236*** |
| (10.58) | (10.49) | (10.56) | (10.63) | (10.67) | (10.61) | (10.66) | (10.71) |
常量 | −7.573*** | −7.571*** | −7.556*** | −7.575*** | −7.758*** | −7.758*** | −7.743*** | −7.759*** |
| (−53.52) | (−53.26) | (−53.19) | (−53.54) | (−53.53) | (−53.27) | (−53.21) | (−53.56) |
样本数 | 25,506 | 25,506 | 25,506 | 25,506 | 25,506 | 25,506 | 25,506 | 25,506 |
Pseudo-R2 | 0.173 | 0.173 | 0.173 | 0.173 | 0.128 | 0.128 | 0.128 | 0.128 |
年份效应 | YES | YES | YES | YES | YES | YES | YES | YES |
行业效应 | YES | YES | YES | YES | YES | YES | YES | YES |