His analysis helps to explain sociologist lee rainwater ' s finding that americans " perception of the income " necessary to get along " rose between 1950 and 1986 in the same proportion as actual per capita income 雷恩沃特的调查结果-从1950年到1986年，在美国持收入“必须维持基本生活”观念的人随着实际人均收入的增加而同比增长。
