The data for these analyses came from the first and you can second swells of the Federal Survey out-of Household and you may Homes (NSFH), which has advice out-of personal interview presented inside 1987 and 1988 (Day step one, otherwise T1) and also in 1992 and you can 1993 (Big date 2, or T2; five years afterwards), that have a nationwide.-affiliate shot regarding...
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