nls.def obs: 13,548 id year lwage hours age exper educ collgrad race msp nev_mar not_smsa c_city south union wks_ue wks_work tenure ------------------------------------------------------------------------------- variable name variable label ------------------------------------------------------------------------------- id NLS id year interview year lwage ln(wage/GNP deflator) hours usual hours worked age age in current year exper total work experience educ current grade completed collgrad 1 if college graduate race 1=white, 2=black, 3=other msp 1 if married, spouse present nev_mar 1 if never yet married not_smsa 1 if not SMSA c_city 1 if central city south 1 if south union 1 if union wks_ue weeks unemployed last year wks_work weeks worked last year tenure job tenure, in years Source: Subset of NLSWORK.DTA, Stata Corp. 2005. Stata Statistical Software: Release 9. College Station, TX: Stata Corp LP. The authors wish to thank the Stata Corporation for allowing the use of the data. Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- id | 13548 2587.906 1493.257 1 5159 year | 13548 79.1198 5.89797 70 88 lwage | 13548 1.713325 .4594582 0 5.263916 hours | 13548 36.18637 10.04108 1 168 age | 13548 30.20564 6.415471 16 46 -------------+-------------------------------------------------------- exper | 13548 6.768786 4.41091 0 28.88461 educ | 13548 12.68062 2.372598 0 18 collgrad | 13548 .1883673 .3910196 0 1 race | 13548 1.296575 .4790095 1 3 msp | 13548 .6259226 .4839016 0 1 -------------+-------------------------------------------------------- nev_mar | 13548 .2081488 .4059988 0 1 not_smsa | 13548 .2837319 .4508249 0 1 c_city | 13548 .3424122 .4745342 0 1 south | 13548 .4080307 .491487 0 1 union | 13548 .228447 .4198476 0 1 -------------+-------------------------------------------------------- wks_ue | 13548 2.117877 7.026565 0 75 wks_work | 13548 50.69405 21.34738 0 103 tenure | 13548 3.442839 3.767184 0 25.91667