Format
A time serie containing :
- wage76
- wage in 1876
- grade76
- grade level in 1976
- exp76
- experience 1n 1976
- black
- black ?
- south76
- lived in south in 1976 ?
- smsa76
- lived in smsa in 1976 ?
- region
- region, a factor with levels (un,midatl,enc,wnc,sa,esc,wsc,m,p)
- smsa66
- lived in smsa in 1966 ?
- momdad14
- lived with both parents at age 14 ?
- sinmom14
- lived with mother only at age 14 ?
- nodaded
- father has no formal eduction ?
- nomomed
- mother has no formal education ?
- daded
- mean grade level of father
- momed
- mean grade level of mother
- famed
- father's and mother's education, a factor with 9 levels
- age76
- age in 1976
- col4
- is any 4-year college nearby ?
Source
Kling, Jeffrey R. (2001) “Interpreting Instrumental Variables Estimates of the Return to Schooling”, Journal of Business and Economic Statistics, 19(3), july, 358--364. Dehejia, R.H. and S. Wahba (2002) “Propensity-score Matching Methods for Nonexperimental Causal Studies”, Restat, 151--161.