高校学生消费差异分析——基于基尼系数分解理论的实证研究

The Analysis of College Students Consumption Difference——Based on the Theory of Gini Coefficient Decomposition

运用基尼系数分解方法,通过对北京市某高校325名学生抽样调查数据分析发现,以性别分组,组间差异构成是影响高校学生基尼系数的主要因素。以学生来自不同区域分组,差异主要来源于重叠项影响,但按两层分解基尼系数,性别内部来自不同区域的学生消费存在较为明显差异。学生消费支出主要用于基本生存消费。发展、享受、交往等开支增加起着扩大学生消费差异程度的作用,生存消费的增加起着缩小消费差异程度的作用。

Firstly, It presents the methodology of decomposition of Gini coefficient. Then using a sample of 325 students of Beijing University, this paper studies the disparity of college students consumption. Our evidences show that it is intra - class component that affected Gini coefficient by sex class. The overlapped component mainly explained the whole Gini coefficient by regional division. However, the two - tier decomposition results by sex and by region class distinctlyshown that there is the difference of students consumption. Students spend mainly on basic survival. The money spending on the development, enjoyment and communication play an expanding role in the disparity of consumption, the increased survival consumption can reduce the difference of consumption.