中国能源进口贸易的持续期——基于生存分析法
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刘宏曼, 李星晨
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The duration of China's energy imports based on survival analysis
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Hongman LIU, Xingchen LI
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| 表4 能源进口持续时间影响因素的估计结果 |
| Table 4 Regression results of the factors influencing energy import duration |
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| 变量 | 回归系数 | 边际效应 | 几率比 | | Dist | 0.415*** | 0.062*** | 1.514*** | | (0.130) | (0.019) | (0.197) | | Contig | -0.497* | -0.074* | 0.609* | | (0.260) | (0.038) | (0.158) | | GDP_Mul | -0.018 | -0.003 | 0.983 | | (0.049) | (0.007) | (0.048) | | FTA | 0.350* | 0.052* | 1.419* | | (0.195) | (0.029) | (0.276) | | Polity | -0.034** | -0.005** | 0.967** | | (0.014) | (0.002) | (0.013) | | Conflict | -0.044* | -0.007* | 0.957* | | (0.025) | (0.004) | (0.024) | | History | -0.358*** | -0.053*** | 0.699*** | | (0.128) | (0.019) | (0.089) | | Length | -0.234*** | -0.035*** | 0.792*** | | (0.030) | (0.004) | (0.023) | | UV | 0.112*** | 0.017*** | 1.118*** | | (0.036) | (0.005) | (0.040) | | IV | -0.056** | -0.008** | 0.946** | | (0.024) | (0.004) | (0.023) | | TI | -0.054** | -0.008** | 0.948** | | (0.022) | (0.003) | (0.021) | | TE | -0.074*** | -0.011*** | 0.928*** | | (0.029) | (0.004) | (0.027) | | Share | -1.154*** | -0.171*** | 0.315*** | | (0.235) | (0.034) | (0.074) | | CNum | -0.628*** | -0.093*** | 0.534*** |
REGION
PRODUCT
YEAR | (0.090)
Yes
Yes
Yes | (0.013)
Yes
Yes
Yes | (0.048)
Yes
Yes
Yes | | N | 3 535 | 3 535 | 3 535 | | ρ | 0.103 | 0.103 | 0.103 |
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