我国老年消费数量的人群差异研究——以2011年CHARLS全国基线调查数据为例
아국노년소비수량적인군차이연구——이2011년CHARLS전국기선조사수거위례
Study on the Population Group Differences on Consumption Quantity of the Elderly People in China——Based on CHARLS National Baseline Survey Data for the Year 2011
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