During the period between 1929 and 1953, the United States occupational pay ratios and earning inequality is declined, mainly across World War II (Ober 1948, Phelps Brown 1977, Williamson and Lindert 1980, Goldin and Margo 1922b). The evidence showed that the condition of income inequality was occurrence in that period. Moreover, the problem of income inequality is declined. But, the problem of income inequality is existed. The government cannot spread the income distibution evenly. Many reasons obstructed the income distribution …showed first 75 words of 908 total…

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