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利用中国家庭收入调查数据(CHIPS)构造了66个城市居民的收入流动性及不平等指标,并结合历年城市统计年鉴和区域统计年鉴数据,对收入流动性和经济增长之间的关系进行了实证考察。回归发现,高收入流动性对于经济增长有着明显的正向推动作用,但随着地区内部收入不平等程度上升,这种正向作用会逐渐减弱。并且,以上两种影响在时间上具有持续性,即某一时期内的高收入流动性仍将对此后一段时期的经济增长具有促进作用,但对于收入不平等程度较高的地区,这种影响相对较弱。其政策含义是,创造公平的机会、增进社会流动性,不仅仅是一种增进社会公平的举措,也是一种促进经济增长的方法。另外,在处理收入分配问题时,动态的公平(收入流动性)和静态的公平(收入不平等)都具有重要意义。
Using the Chinese household income survey data (CHIPS), this paper constructs the income mobility and inequality index of 66 urban residents and makes an empirical study on the relationship between income liquidity and economic growth based on the data of urban statistical yearbook and regional statistical yearbook Inspected The regression found that high-income liquidity has a significant positive effect on economic growth, but this positive effect will gradually decline as income inequality within the region increases. Moreover, the above two kinds of impacts have persistence in time, that is, the high-income liquidity in a certain period will still promote the economic growth in the next period, but this effect will be higher in areas with higher income inequality Relatively weak. Its policy implication is that creating fair opportunities and promoting social mobility is not only an initiative to promote social equity but also a method to promote economic growth. In addition, dynamic fairness (income mobility) and static fairness (income inequality) are all important when dealing with income distribution issues.