+-------------+-------------------+
| RetSchool   | R Documentation   |
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Return to Schooling
-------------------

Description
~~~~~~~~~~~

a panel of 48 observations from 1970 to 1986

*number of observations* : 5225

*observation* : individuals

*country* : United States

Usage
~~~~~

::

    data(RetSchool)

Format
~~~~~~

A time serie containing :

wage76
    wage in 1876

grade76
    grade level in 1976

exp76
    experience 1n 1976

black
    black ?

south76
    lived in south in 1976 ?

smsa76
    lived in smsa in 1976 ?

region
    region, a factor with levels (un,midatl,enc,wnc,sa,esc,wsc,m,p)

smsa66
    lived in smsa in 1966 ?

momdad14
    lived with both parents at age 14 ?

sinmom14
    lived with mother only at age 14 ?

nodaded
    father has no formal eduction ?

nomomed
    mother has no formal education ?

daded
    mean grade level of father

momed
    mean grade level of mother

famed
    father's and mother's education, a factor with 9 levels

age76
    age in 1976

col4
    is any 4-year college nearby ?

Source
~~~~~~

Kling, Jeffrey R. (2001) “Interpreting Instrumental Variables Estimates
of the Return to Schooling”, *Journal of Business and Economic
Statistics*, **19(3)**, july, 358–364.

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.

See Also
~~~~~~~~

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

``Index.Time.Series``
