基于协方差分析模型的东三省居民收入差异研究
Research on the Income Difference of Residents in Three Eastern Provinces Based on Covariance Analysis Model

本文以协方差分析作为主要分析方法，选取人口结构作为协变量，利用2013~2021年的居民人均可支配收入和人口城乡结构等信息，运用协方差分析对黑龙江省、辽宁省、吉林省的居民收入差异进行研究，结果表明东三省居民收入与人口结构密切相关，可以通过改善人口结构来提高居民收入和缩小居民收入差距。
This paper uses covariance analysis as the main analysis method, selects population structure as the co-variable, makes use of the per capita disposable income of residents from 2013 to 2021 and the urban-rural structure of population and other information, and uses covariance analysis to study the income difference of residents in Heilongjiang, Liaoning and Jilin provinces. The results show that the income of residents in the three eastern provinces is closely related to population structure. The income of residents can be increased and the income gap narrowed by improving the population structure.