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文章主题:收入流动性抵消收入不平等
知识拓展:Economic mobility
Economic mobility is the ability of an individual, family or some other group to improve (or lower) their economic status—usually measured in income. Economic mobility is often measured by movement between income quintiles. Economic mobility may be considered a type of social mobility, which is often measured in change in income.
文章结构:
I. CA研究发先底层人突破阶级壁垒—乘上富裕快车通往富裕之路
II. PG反驳CA研究了错误的问题给出了误导性的答案---CA研究的样本不是正确,其次计算方法也是个人收入不是家庭收入按比例分配,还混合了工作经验的积累。
III. MJ的研究结果:四年间少了1/4的不平等,经济流动性下降
长难句:
One answer that probably better represents the mainstream in economic research comes from Moshe Buchinsky, and Jennifer Hunt of Yale University. In a paper published this year by the National Bureau of Economic Research, they estimated that averaging family incomes over a four-year period reduced measured inequality by about one-fourth. But they also found that the rate of economic mobility - the probability of moving from one-fifth of the income distribution to another in any given year - had actually fallen since 1980.
单词:
disquiet(n.担心,不安;焦虑,忧虑) mobility(n.(住处、社会阶层、职业方面的)流动能力;活动性,灵活性)nothing short of remarkable(非常了不起) prorated(按比例的)offsets(v.补偿,抵销) |
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