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