Wooldridge Source: A.J. Castillo-Freeman and R.B. Freeman (1992), “When the Minimum Wage Really Bites: The Effect of the U.S.-Level Minimum Wage on Puerto Rico,” in Immigration and the Work Force, edited by G.J. Borjas and R.B. Freeman, 177-211. Chicago: University of Chicago Press. The data are reported in the article. Data loads lazily.

data('prminwge')

Format

A data.frame with 38 observations on 25 variables:

  • year: 1950-1987

  • avgmin: weighted avg min wge, 44 indust

  • avgwage: wghted avg hrly wge, 44 indust

  • kaitz: Kaitz min wage index

  • avgcov: wghted avg coverage, 8 indust

  • covt: economy-wide coverage of min wg

  • mfgwage: avg manuf. wage

  • prdef: Puerto Rican price deflator

  • prepop: PR employ/popul ratio

  • prepopf: PR employ/popul ratio, alter.

  • prgnp: PR GNP

  • prunemp: PR unemployment rate

  • usgnp: US GNP

  • t: time trend: 1 to 38

  • post74: time trend: starts in 1974

  • lprunemp: log(prunemp)

  • lprgnp: log(prgnp)

  • lusgnp: log(usgnp)

  • lkaitz: log(kaitz)

  • lprun_1: lprunemp[_n-1]

  • lprepop: log(prepop)

  • lprep_1: lprepop[_n-1]

  • mincov: (avgmin/avgwage)*avgcov

  • lmincov: log(mincov)

  • lavgmin: log(avgmin)

Notes

Given the ongoing debate on the employment effects of the minimum wage, this would be a great data set to try to update. The coverage rates are the most difficult variables to construct.

Used in Text: pages 356-357, 369-370, 420-421, 434

Examples

 str(prminwge)
#> 'data.frame':	38 obs. of  25 variables:
#>  $ year    : int  1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 ...
#>  $ avgmin  : num  0.198 0.209 0.225 0.311 0.313 ...
#>  $ avgwage : num  0.398 0.41 0.421 0.48 0.508 ...
#>  $ kaitz   : num  0.155 0.164 0.18 0.229 0.211 ...
#>  $ avgcov  : num  0.201 0.207 0.226 0.231 0.224 ...
#>  $ covt    : num  0.29 0.29 0.29 0.29 0.29 ...
#>  $ mfgwage : num  0.43 0.45 0.48 0.5 0.52 ...
#>  $ prdef   : num  0.859 0.881 0.953 0.97 1 ...
#>  $ prepop  : num  0.47 0.449 0.434 0.428 0.415 ...
#>  $ prepopf : num  0.47 0.449 0.434 0.428 0.415 ...
#>  $ prgnp   : num  879 925 1016 1081 1104 ...
#>  $ prunemp : num  15.4 16 14.8 14.5 15.3 ...
#>  $ usgnp   : num  1204 1328 1380 1435 1416 ...
#>  $ t       : int  1 2 3 4 5 6 7 8 9 10 ...
#>  $ post74  : int  0 0 0 0 0 0 0 0 0 0 ...
#>  $ lprunemp: num  2.73 2.77 2.69 2.67 2.73 ...
#>  $ lprgnp  : num  6.78 6.83 6.92 6.99 7.01 ...
#>  $ lusgnp  : num  7.09 7.19 7.23 7.27 7.26 ...
#>  $ lkaitz  : num  -1.86 -1.81 -1.71 -1.47 -1.56 ...
#>  $ lprun_1 : num  NA -1.87 -1.83 -1.91 -1.93 ...
#>  $ lprepop : num  -0.755 -0.801 -0.835 -0.849 -0.879 ...
#>  $ lprep_1 : num  NA -0.755 -0.801 -0.835 -0.849 ...
#>  $ mincov  : num  0.1 0.106 0.121 0.15 0.138 ...
#>  $ lmincov : num  -2.3 -2.25 -2.11 -1.9 -1.98 ...
#>  $ lavgmin : num  -1.62 -1.57 -1.49 -1.17 -1.16 ...
#>  - attr(*, "time.stamp")= chr "25 Jun 2011 23:03"