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schooling.txt
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The files schooling contain data taken from the National Longitudinal
Survey of Young Men (NLSYM) concerning the United States. The analysis
focusses on 1976 but uses some variables that date back to earlier years.
The following variables available (many are dummy variables):
smsa66 smsa76 nearc2 nearc4 nearc4a nearc4b ed76 ed66 age76 daded
nodaded momed nomomed momdad14 sinmom14 step14 south66 south76
lwage76 famed black wage76 enroll76 kww iqscore mar76 libcrd14
exp76 exp762
smsa66 1 if lived in smsa in 1966
smsa76 1 if lived in smsa in 1976
nearc2 grew up near 2-yr college
nearc4 grew up near 4-yr college
nearc4a grew up near 4-year public college
nearc4b grew up near 4-year private college
ed76 education in 1976
ed66 education in 1966
age76 age in 1976
daded dads education (imputed avg if missing)
nodaded 1 if dads education imputed
momed mothers education
nomomed 1 if moms education imputed
momdad14 1 if lived with mom and dad at age 14
sinmom14 1 if single mom at age 14
step14 1 if step parent at age 14
south66 1 if lived in south in 1966
south76 1 if lived in south in 1976
lwage76 log wage in 1976 (outliers trimmed)
famed mom-dad education class (1-9)
black 1 if black
wage76 wage in 1976 (raw, cents per hour)
enroll76 1 if enrolled in 1976
kww the kww score
iqscore a normed IQ score
mar76 marital status in 1976 (1 if married)
libcrd14 1 if library card in home at age 14
exp76 experience in 1976
exp762 exp76 squared
Variable | Obs Mean Std. Dev. Min Max
---------+-----------------------------------------------------
smsa66 | 3010 .6495017 .4772053 0 1
smsa76 | 3010 .7129568 .4524571 0 1
nearc2 | 3010 .4408638 .4965731 0 1
nearc4 | 3010 .6820598 .4657535 0 1
nearc4a | 3010 .492691 .5000296 0 1
nearc4b | 3010 .1893688 .3918664 0 1
ed76 | 3010 13.26346 2.676913 1 18
ed66 | 3010 10.75814 2.371869 0 18
age76 | 3010 28.1196 3.137004 24 34
daded | 3010 9.988904 3.266501 0 18
nodaded | 3010 .2292359 .4204111 0 1
momed | 3010 10.33663 2.98751 0 18
nomomed | 3010 .1172757 .321802 0 1
momdad14 | 3010 .7893688 .4078247 0 1
sinmom14 | 3010 .1006645 .3009339 0 1
step14 | 3010 .0388704 .1933182 0 1
south66 | 3010 .4142857 .4926801 0 1
south76 | 3010 .4036545 .4907113 0 1
lwage76 | 3010 6.261832 .4437976 4.60517 7.784889
famed | 3010 5.933887 2.638383 1 9
black | 3010 .2335548 .4231624 0 1
wage76 | 3010 577.2824 262.9583 100 2404
enroll76 | 3010 .0923588 .2895799 0 1
kww | 2963 33.54067 8.611619 4 56
iqscore | 2061 102.4498 15.42376 50 149
mar76 | 3003 2.271395 2.066823 1 6
libcrd14 | 2997 .674341 .4686987 0 1
exp76 | 3010 8.856146 4.141672 0 23
exp762 | 3010 95.57907 84.61831 0 529
Source: Card (1995)