变量 | 全样本 | 按照出口目的国收入水平分组 | 按照出口产品技术等级分组 | ||||
高收入国家 | 中低收入国家 | 低技术产品 | 中等技术产品 | 高技术产品 | |||
| −0.6207332** (0.039) | 0.8025315** (0.026) | −0.972928** (0.032) | −0.4152372** (0.012) | −0.2077958** (0.025) | 0.7213323** (0.017) | |
| 0.7957755*** (0.000) | 1.173342*** (0.000) | 0.709888*** (0.002) | 0.7370478*** (0.000) | 0.4711711** (0.001) | 0.8911817*** (0.000) | |
| −0.0820341* (0.090) | −0.0325755** (0.011) | − 0.2226839* (0.082) | −0.0923519** (0.036) | −0.0497056** (0.032) | −0.1260786** (0.046) | |
| −0.7055099*** (0.000) | −0.6986208*** (0.000) | −0.8937355*** (0.000) | −0.2093447*** (0.000) | −0.5394761*** (0.000) | −0.9588861*** (0.000) | |
| 1.029528* (0.062) | 1.51822** (0.035) | −0.347875** (0.041) | −0.096436** (0.048) | 0.2052055** (0.035) | 1.315204* (0.058 ) | |
| −7.417985*** (0.000) | −11.95918*** (0.000) | −6.67879*** (0.000) | −5.431509*** (0.000) | −6.67879*** (0.000) | −7.417985*** (0.000) | |
| 0.4445 | 0.3612 | 0.4503 | 0.4692 | 0.4853 | 0.3318 | |