变量 | 替换绿色创新衡量方法 | 绿色创新滞后性 | ||||
模型4 | 模型5 | 模型6 | 模型7 | 模型8 | 模型9 | |
ln_squ_gzlhj | KZ | ln_squ_gzlhj | ln_sqi_gzlhj | KZ | ln_sqi_gzlhj | |
Suc | −0.0514*** | −0.0872*** | −0.0520*** | −0.0620*** | −0.1090*** | −0.0636*** |
(0.0111) | (0.0293) | (0.0111) | (0.0163) | (0.0320) | (0.0163) | |
KZ |
|
| −0.0070** |
|
| −0.0149** |
|
| (0.0034) |
|
| (0.0056) | |
Size | 0.0903*** | −0.1530*** | 0.0893*** | 0.1130*** | −0.2300*** | 0.1090*** |
(0.0067) | (0.0176) | (0.0067) | (0.0102) | (0.0201) | (0.0103) | |
Fage | −0.1700*** | 0.0398 | −0.1700*** | −0.1800*** | −0.1740** | −0.1830*** |
(0.0231) | (0.0609) | (0.0231) | (0.0347) | (0.0680) | (0.0347) | |
TobinQ | 0.0025 | 0.3410*** | 0.0049 | 0.0097 | 0.2640*** | 0.0137* |
(0.0051) | (0.0133) | (0.0052) | (0.0082) | (0.0160) | (0.0083) | |
LEV | 0.1770*** | 6.3030*** | 0.2200*** | 0.2430*** | 5.6380*** | 0.3270*** |
(0.0358) | (0.0946) | (0.0416) | (0.0550) | (0.1080) | (0.0634) | |
ROA | 0.4010*** | −11.7700*** | 0.3200*** | 0.7390*** | −12.2700*** | 0.5560*** |
(0.0932) | (0.2460) | (0.1010) | (0.1540) | (0.3010) | (0.1690) | |
Dual | −0.0068 | −0.0271 | −0.0070 | −0.0001 | 0.0683** | 0.0009 |
(0.0108) | (0.0285) | (0.0108) | (0.0162) | (0.0318) | (0.0162) | |
Top1 | −3.29e−05 | −0.0073*** | −8.30e−05 | −4.60e−05 | −0.0063*** | −0.0001 |
(0.0004) | (0.0010) | (0.0004) | (0.0006) | (0.0011) | (0.0006) | |
Year | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
Ind | 控制 | 控制 | 控制 | 控制 | 控制 | 控制 |
Constant | −1.5180*** | 1.7140*** | −1.5070*** | −2.0000*** | 3.9280*** | −1.9410*** |
(0.1720) | (0.4530) | (0.1720) | (0.2570) | (0.5040) | (0.2580) | |
Observations | 12,848 | 12,848 | 12,848 | 8262 | 8262 | 8262 |
R-squared | 0.135 | 0.538 | 0.135 | 0.139 | 0.559 | 0.139 |