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运用相对收入流动指标及绝对收入流动指标对1989—2004年间各时期城市与农村家庭的收入流动性进行分析,我们发现:1989—2004年间各时期内城市与农村家庭的平均收入增长速度从低收入组到高收入组逐层递减。城乡居民收入流动性都处于较高的水平,与城市相比较,农村贫穷阶层家庭的收入向上的流动性要大于城市的贫穷家庭。低收入阶层向上的收入流动以及高收入阶层向下的收入流动使得1989—2004年间各时期城市与农村家庭的长期收入差距得到了缓解。
Using the relative income mobility index and the absolute income mobility index to analyze the income mobility of urban and rural households in each period from 1989 to 2004, we find that the average income growth rate of urban and rural households in each period from 1989 to 2004 increased from low income Group to high-income group by layer. Income mobility of urban and rural residents are at a relatively high level. Compared with urban areas, the incomes of rural poor families are upwardly more liquid than urban poverty households. The long-run income gap between urban and rural households in each period of 1989-2004 has been eased by the upward mobility of incomes at lower income levels and the downward mobility of incomes at higher income levels.