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一个社会最可怕的是社会流动性低、社会结构被固化,这必将造成动态的不平等,导致长期经济增长的停滞。具体来讲,社会流动性指的是社会阶层之间的流动性,它是上一代人的收入、教育和地位等因素对下一代人收入、教育和地位的影响程度,这种影响程度越高,社会流动性就越低。通俗地说,社会流动性低,就是所谓的“龙生龙、凤生凤、老鼠的儿子会打洞”;社会流动性强,就是所谓的“朝为田舍郎,暮登天子堂”。社会流动性的测度方式是收入、教育和地位在代际之间的相关系数,它的取值在-1到1之间,合理的社会流动性意味着代际相关系数应该在合理的范围内。如果是代际之间的
What is most terrible in a society is the low social mobility and the solidified social structure, which will inevitably result in dynamic inequality and lead to the stagnation of long-term economic growth. Specifically, social mobility refers to the mobility between social strata, which is the degree to which the income, education and status of the previous generation have an impact on the income, education and status of the next generation, the higher the degree of influence , The lower the social mobility. To put it in a nutshell, social mobility is so low that the so-called “Longsheng Long, Fengsheng Feng and the son of a mouse will make a hole.” The social mobility is so-called “ ”. The measure of social mobility is the correlation coefficient of income, education and status between generations, and its value is between -1 and 1. Reasonable social mobility means that the intergenerational correlation coefficient should be within a reasonable range . If it is between generations