变量 | (1) Ln销售量 | (2) Ln销售额 |
Treat × Period | 1.565*** | 2.530*** |
(0.124) | (0.200) | |
Treat × Period × Popularity | 0.790*** | 1.447*** |
(0.163) | (0.260) | |
价格 | −0.006 | −0.001 |
(0.008) | (0.013) | |
折扣 | 0.980 | −1.882 |
(1.807) | (2.747) | |
常数项 | 2.934* | 5.139** |
(1.254) | (1.942) | |
产品固定效应 | 是 | 是 |
时间固定效应 | 是 | 是 |
观测值 | 11,650 | 11,650 |
R2 | 0.511 | 0.487 |