Puneet Vatsa 马旺林 郑宏运 ：移动支付采用是否影响了食品支出水平和不平等?

Puneet Vatsa, Wanglin Ma and Hongyun Zheng* (2022). Does mobile payment adoption affect the level and inequality of food expenditure? The Social Science Journal, first online

原文链接（点击“阅读原文”跳转）：

http://doi.org/10.1080/03623319.2022.2156439

摘要：

本文利用2017年中国综合社会调查（CGSS）数据，分析了移动支付采用对食品支出水平和不平等的影响。我们使用基尼系数来衡量食品支出不平等，并使用两阶段预测替代方法来解决移动支付采用的内生性问题。结果显示，移动支付采用与较低的食品支出有关。具体来看，采用移动支付的人每年在食品上的支出比不采用移动支付的人少2347元。此外，采用移动支付的人的食品支出不平等程度低于未采用移动支付的人；拥有汽车、教育程度和收入水平与食品支出呈正相关；食品支出不平等程度在中国较发达的地区更低。食品支出是中国家庭总支出的重要组成部分，而本研究的结果则证实，移动支付可以在帮助家庭节省食品支出方面发挥重要作用。

Abstract

This study examines the impact of mobile payment adoption on the level and inequality of food expenditure using the 2017 Chinese General Social Survey data. We employ the Gini coefficient to measure food expenditure inequality and use the two-stage predictor substitution approach to address the endogeneity of mobile payment adoption. The results show that mobile payment adoption is associated with lower food expenditure. Specifically, mobile payment adopters spend 2,347 yuan less annually on food than non-adopters. Furthermore, food expenditure inequality is lower among mobile payment adopters than non-adopters. Owning a car, education, and income are positively associated with food expenditure; food expenditure inequality is lower in the more advanced regions of China. The results suggest that mobile payments can play an important role in helping households save considerably on food expenditure, a necessary outlay constituting a significant proportion of the overall spending of Chinese households.

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