社会医疗保险与养老保险发展对居民收入分配的影响研究

The Influence of the Development of Social Medical Insurance and Pension Insurance on Income Distribution

随着社会经济的发展,我国居民收入不平等程度呈现不断增长的态势。在控制其他社会经济变量的基础上,利用我国31个省市2001-2012年的宏观数据,研究我国社会医疗保险发展与社会养老保险发展对居民收入分配的影响。研究结果显示,社会医疗保险的发展对居民收入分配存在逆向分配效应,且东部地区远远大于全国和中部地区,西部地区的并不显著;而社会养老保险的发展则存在正向分配效应,且中部地区略强于东部地区,西部地区的并不显著。

With the development of the economy, the inequality of income distribution for China＇s residents is in increasing trend. After controlling other economic variables, this paper investigates how the development of social medical insurance and pension affects the income distribution of residents with macro data of 31 provinces （municipality directly under central government） during 2001-2012. The results show that the development of social medical insurance has reversal distribution effect on the residents＇ income. Moreover, this effect is much larger in the eastern area than the whole country as well as the middle area. However, it is not significant in the western area. Meanwhile, the pension has promoted the equality of income distribution. This effect is slightly larger in the middle area than the eastern area. It is not significant in the western area.