The data set combines a subsample of the experimental treated units from NSW, constructed by Dehejia and Wahba (1999), with "CPS-1," a nonexperimental comparison group from CPS, constructed by LaLonde (1986).
nswcpsA data frame with 11 variables:
treated1 if treated, 0 otherwise
ageage
age2age squared
educyears of schooling
black1 if black, 0 otherwise
hispanic1 if Hispanic, 0 otherwise
married1 if married, 0 otherwise
nodegree1 if high school dropout, 0 otherwise
re74real earnings in 1974
re75real earnings in 1975
re78real earnings in 1978
An object of class data.frame with 16177 rows and 11 columns.
Dehejia, R. H. and Wahba, S. (1999). "Causal Effects in Nonexperimental Studies: Reevaluating the Evaluation of Training Programs," Journal of the American Statistical Association, 94:1053--1062.
LaLonde, R. J. (1986). "Evaluating the Econometric Evaluations of Training Programs with Experimental Data," American Economic Review, 76:604--620.