| 变量 | 直接效应 | 间接效应 | 总效应 |
|---|---|---|---|
| tour | 0.038*** | 0.051* | 0.088*** |
| (0.010) | (0.026) | (0.031) | |
| gdp | 0.142*** | 0.090** | 0.232*** |
| (0.018) | (0.041) | (0.046) | |
| str | 0.002*** | 0.003* | 0.004*** |
| (0.001) | (0.001) | (0.001) | |
| fin | 0.002 | -0.008 | -0.006 |
| (0.003) | (0.009) | (0.009) | |
| inf | 0.001 | 0.023* | 0.023* |
| (0.005) | (0.012) | (0.014) |
