Wages {plm} | R Documentation

## Panel Data of Individual Wages

### Description

A panel of 595 individuals from 1976 to 1982, taken from the Panel Study of Income Dynamics (PSID).
The data are organized as a stacked time series/balanced panel, see Examples on how to convert to a `pdata.frame`.

total number of observations : 4165

observation : individuals

country : United States

### Usage

    data(Wages)

### Format

A data frame containing:

exp

  years of full-time work experience.

wks

  weeks worked.

bluecol

  blue collar?

ind

  works in a manufacturing industry?

south

  resides in the south?

smsa

  resides in a standard metropolitan statistical area?

married

  married?

sex

  a factor with levels `"male"` and `"female"`

union

  individual's wage set by a union contract?

ed

  years of education.

black

  is the individual black?

lwage

  logarithm of wage.

### Source

Online complements to Baltagi (2001):

http://www.wiley.com/legacy/wileychi/baltagi/

Online complements to Baltagi (2013):

http://bcs.wiley.com/he-bcs/Books?action=resource&bcsId=4338&itemId=1118672321&resourceId=13452

### References

Baltagi, Badi H. (2001) Econometric Analysis of Panel Data, 2nd ed., John Wiley and Sons.

Baltagi, Badi H. (2013) Econometric Analysis of Panel Data, 5th ed., John Wiley and Sons.

Cornwell, C. and P. Rupert (1988) “Efficient estimation with panel data: an empirical comparison of instrumental variables estimators”, Journal of Applied Econometrics, 3(2), pp. 149–155.

### Examples

    # data set 'Wages' is organized as a stacked time series/balanced panel
    data("Wages", package = "plm")
    Wag <- pdata.frame(Wages, index=595)

[Package plm version 1.6-6 Index]