变量 | (1) | (2) | (3) |
税收激进水平 | −0.337*** | −0.335*** | −0.357*** |
| (0.0339) | (0.0349) | (0.0363) |
广告费用 | 0.145*** | 0.156*** | 0.149*** |
| (0.0425) | (0.0441) | (0.0426) |
企业规模 | 0.0415 | 0.0165 | 0.0411 |
| (0.0625) | (0.0655) | (0.0625) |
负债率 | 0.0313 | 0.0842 | −0.0583 |
| (0.287) | (0.319) | (0.293) |
固定资产比例 | 4535 | 4473 | 4876 |
| (4646) | (4635) | (4649) |
无形资产比例 | 15,658* | 15,535* | 16,637* |
| (9372) | (9363) | (9387) |
投资收益率 | 0 | 0 | 0 |
| (5.05e−11) | (5.06e−11) | (5.05e−11) |
产权性质 |
|
| 0.187 |
|
|
| (0.118) |
行业效应 | No | Yes | No |
样本数 | 1353 | 1353 | 1353 |
R-squared | 0.076 | 0.084 | 0.077 |