Format
A dataframe containing :
- treat
- treated ?
- age
- age
- educ
- education in years
- ethn
- a factor with levels ("other","black","hispanic")
- married
- married ?
- re74
- real annual earnings in 1974 (pre-treatment)
- re75
- real annual earnings in 1975 (pre-treatment)
- re78
- real annual earnings in 1978 (post-treatment)
- u74
- unemployed in 1974 ?
- u75
- unemployed in 1975 ?
Source
Lalonde, R. (1986) “Evaluating the Econometric Evaluations of Training Programs with Experimental Data”, American Economic Review, 604--620. Dehejia, R.H. and S. Wahba (1999) “Causal Effects in Nonexperimental Studies: reevaluating the Evaluation of Training Programs”, Jasa, 1053--1062. Dehejia, R.H. and S. Wahba (2002) “Propensity-score Matching Methods for Nonexperimental Causal Studies”, Restat, 151--161.