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| Treatment   | R Documentation   |
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Evaluating Treatment Effect of Training on Earnings
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Description
~~~~~~~~~~~

a cross-section from 1974

*number of observations* : 2675

*country* : United States

Usage
~~~~~

::

    data(Treatment)

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.

References
~~~~~~~~~~

Cameron, A.C. and P.K. Trivedi (2005) *Microeconometrics : methods and
applications*, Cambridge, pp. 889–95.

See Also
~~~~~~~~

``Index.Source``, ``Index.Economics``, ``Index.Econometrics``,
``Index.Observations``
