type: stacked-time-series
frequency: 5
startobs: 1:1
endobs: 716:5

id: identifier for panel individual; 716 total
year: year interviewed (1982, 1983, 1985, 1987, 1988)
lwage: ln(wage/GNP deflator)
hours: usual hours worked
age: age in current year
educ: current grade completed
collgrad: = 1 if college graduate
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
black: = 1 if black; 0 if white
union: = 1 if union member
exper: = total work experience
exper2: = exper^2
tenure: = job tenure, in years
tenure2: = tenure^2
