lnCO2 | lnCI | ||||||
中介变量M | η1 | ϕ2 | β1 | 贡献率 | ϕ2 | β1 | 贡献率 |
lnECE | 0.163** | −0.728*** | −0.304*** | 0.390 | −0.853*** | −0.345*** | 0.403 |
ECS | −0.194** | 0.666*** | 0.425 | 0.685*** | 0.385 |