Format
A dataframe containing :
- nr
- identifiant
- year
- year
- school
- years of schooling
- exper
- years of experience (=age-6-school)
- union
- wage set by collective bargaining ?
- ethn
- a factor with levels (black,hisp,other)
- maried
- maried ?
- health
- healph problem ?
- wage
- log of hourly wage
- industry
- a factor with 12 levels
- occupation
- a factor with 9 levels
- residence
- a factor with levels (rural area, north east, nothern central, south)
Source
National Longitudinal Survey (NLS Youth Sample). Vella, F. and M. Verbeek (1998) “Whose wages do unions raise ? A dynamic model of unionism and wage”, Journal of Applied Econometrics, 13, 163--183.