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

万广华, 江葳蕤, 胡晓珊

Measuring Income Distribution Indicators such as Inequality and Poverty based on Grouped Data: A Methodological Assessment Considering Data Truncation

Guanghua WAN, Weirui JIANG, Xiaoshan HU

表A18 调整前各指标平均绝对百分比偏差(%) (十等份分组数据, 模拟200次)

分布 Lognormal Gamma Weibull Dagum SM Beta2 GB2 Pareto Gini 0.85 17.85 15.56 0.43 0.53 0.54 1.02 13.00 Poverty2300 21.80 3.60 338.48 2.01 3.62 9.71 4.66 110.22 Poverty19 16.24 4.89 265.51 4.37 6.08 9.32 7.01 107.24 Poverty32 2.77 12.44 145.79 3.83 2.59 1.17 3.18 103.04 Mid1 2.36 40.64 1.86 2.31 0.99 1.16 1.72 49.91 Mid2 7.41 1.64 41.39 5.09 2.25 2.86 2.79 66.97