Chart 5. Effect of additional covariates on the between-group variance of Current Population Survey hourly wages, with age × education as the baseline, 2000–19
Timespan Baseline + Occupation + Industry + Interaction with MSA

2000 to 2004

 0.0778 0.0134 0.0069 0.0014

2005 to 2010

 0.0813 0.0148 0.0072 0.0020

2010 to 2014

 0.0852 0.0158 0.0070 0.0020

2015 to 2019

 0.0870 0.0161 0.0075 0.0019

Note: MSA = metropolitan statistical area.

Source: U.S. Bureau of Labor Statistics.