=1 if near 2 yr college, 1966
=1 if near 4 yr college, 1966
years of schooling, 1976
in years
father's schooling
mother's schooling
NLS sampling weight, 1976
=1 if live with mom, dad at 14
=1 if with single mom at 14
=1 if with step parent at 14
regional dummy, 1966
=1 if in south in 1966
=1 if black
=1 in in SMSA, 1976
=1 if in south, 1976
=1 if in SMSA, 1966
hourly wage in cents, 1976
=1 if enrolled in school, 1976
knowledge world of work score
IQ score
=1 if married, 1976
=1 if lib. card in home at 14
age - educ - 6
log(wage)
exper^2