共 78 条
[71]
SUMMERS LH, 1981, AM ECON REV, V71, P533
[72]
SUSSMAN MB, 1970, INHERITANCE FAMILY
[73]
Thurow L. C., 1976, GENERATING INEQUALIT, P129
[74]
Tobin James., 1967, 10 EC STUDIES TRADIT, P231
[76]
United States Bureau of the Census, 1994, HIST STAT US
[77]
WHITE BB, 1978, AM ECON REV, V68, P547