基于分组数据测算不均等与贫困等收入分配指标: 兼顾数据截断问题的方法论评估
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万广华, 江葳蕤, 胡晓珊
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Measuring Income Distribution Indicators such as Inequality and Poverty based on Grouped Data: A Methodological Assessment Considering Data Truncation
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Guanghua WAN, Weirui JIANG, Xiaoshan HU
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表4 200次模拟下个人收入份额的平均绝对偏差之和(单位: align="left")
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| 分组数 | 截断比例 | Lognormal | Gamma | Dagum | SM | Beta2 | GB2 | | 五等份分组 | 0.5 | 12.51 | 22.25 | 7.99 | 14.55 | 16.15 | 14.90 | | 1.0 | 12.71 | 23.23 | 8.56 | 16.53 | 17.70 | 17.39 | | 1.5 | 13.04 | 24.08 | 8.46 | 17.55 | 17.83 | 18.58 | | 2.0 | 13.53 | 24.85 | 8.46 | 17.69 | 17.83 | 18.42 | | 2.5 | 14.10 | 25.59 | 8.58 | 17.63 | 17.90 | 17.47 | | 3.0 | 14.64 | 26.35 | 8.08 | 17.60 | 18.11 | 17.74 | | 十等份分组 | 0.5 | 12.00 | 20.27 | 7.08 | 10.84 | 15.27 | 14.63 | | 1.0 | 12.41 | 21.98 | 8.00 | 10.28 | 16.22 | 14.82 | | 1.5 | 12.94 | 23.34 | 8.97 | 9.69 | 15.98 | 14.60 | | 2.0 | 13.59 | 24.50 | 10.02 | 9.31 | 15.48 | 14.76 | | 2.5 | 14.21 | 25.60 | 10.46 | 9.07 | 14.77 | 14.27 | | 3.0 | 14.54 | 26.66 | 8.86 | 8.21 | 14.05 | 14.24 |
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