SWA2014-Wages | Table 4.20 | Contribution of within-group and between-group inequality to total wage inequality, 1973–2011
Women | Men | |||||||
---|---|---|---|---|---|---|---|---|
Overall wage inequality* | Between-group inequality** | Within-group inequality*** | Contribution of within-group inequality | Overall wage inequality* | Between-group inequality** | Within-group inequality*** | Contribution of within-group inequality | |
(1) | (2) | (3) | (3)/(1) | (1) | (2) | (3) | (3)/(1) | |
1973 | 0.478 | 0.061 | 0.418 | 87.3% | 0.506 | 0.083 | 0.423 | 83.6% |
1979 | 0.446 | 0.044 | 0.402 | 90.1 | 0.506 | 0.078 | 0.428 | 84.7 |
1989 | 0.529 | 0.082 | 0.447 | 84.5 | 0.579 | 0.112 | 0.467 | 80.7 |
1995 | 0.562 | 0.095 | 0.467 | 83.1 | 0.595 | 0.118 | 0.478 | 80.2 |
2000 | 0.552 | 0.094 | 0.458 | 82.9 | 0.595 | 0.114 | 0.481 | 80.8 |
2007 | 0.586 | 0.102 | 0.484 | 82.7 | 0.620 | 0.119 | 0.501 | 80.8 |
2011 | 0.593 | 0.108 | 0.485 | 81.8 | 0.635 | 0.128 | 0.507 | 79.9 |
Change, subperiods | ||||||||
1979–1995 | 0.116 | 0.051 | 0.065 | 56.1% | 0.089 | 0.040 | 0.049 | 55.2% |
1995–2000 | -0.009 | -0.001 | -0.009 | 91.8 | 0.000 | -0.003 | 0.003 | **** |
2000–2007 | 0.033 | 0.007 | 0.026 | 78.0 | 0.025 | 0.005 | 0.020 | 80.9 |
2007–2011 | 0.008 | 0.006 | 0.001 | 14.8 | 0.014 | 0.009 | 0.005 | 37.7 |
Change, longer-term | ||||||||
1979–2007 | 0.140 | 0.057 | 0.082 | 58.9 | 0.114 | 0.041 | 0.073 | 63.8 |
1979–2011 | 0.147 | 0.064 | 0.084 | 56.7 | 0.129 | 0.050 | 0.078 | 60.9 |
* Measured as standard deviation of log wages
** Reflects changes in education, experience, race/ethnicity, marital status, and regional differentials
*** Measured as mean square error from a standard (log) wage regression
**** Not applicable because denominator is zero
Source: Authors' analysis of Current Population Survey Outgoing Rotation Group microdata
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