CARD.DES id nearc2 nearc4 educ age fatheduc motheduc weight momdad14 sinmom14 step14 reg661 reg662 reg663 reg664 reg665 reg666 reg667 reg668 reg669 south66 black smsa south smsa66 wage enroll KWW IQ married libcrd14 exper lwage expersq Obs: 3010 (max= 9082) 1. id person identifier 2. nearc2 =1 if near 2 yr college, 1966 3. nearc4 =1 if near 4 yr college, 1966 4. educ years of schooling, 1976 5. age in years 6. fatheduc father's schooling 7. motheduc mother's schooling 8. weight NLS sampling weight, 1976 9. momdad14 =1 if live with mom, dad at 14 10. sinmom14 =1 if with single mom at 14 11. step14 =1 if with step parent at 14 12. reg661 =1 for region 1, 1966 13. reg662 =1 for region 2, 1966 14. reg663 =1 for region 3, 1966 15. reg664 =1 for region 4, 1966 16. reg665 =1 for region 5, 1966 17. reg666 =1 for region 6, 1966 18. reg667 =1 for region 7, 1966 19. reg668 =1 for region 8, 1966 20. reg669 =1 for region 9, 1966 21. south66 =1 if in south in 1966 22. black =1 if black 23. smsa =1 in in SMSA, 1976 24. south =1 if in south, 1976 25. smsa66 =1 if in SMSA, 1966 26. wage hourly wage in cents, 1976 27. enroll =1 if enrolled in school, 1976 28. KWW knowledge world of work score 29. IQ IQ score 30. married =1 if married, 1976 31. libcrd14 =1 if lib. card in home at 14 32. exper age - educ - 6 33. lwage log(wage) 34. expersq exper^2