Role of erosion of unions on wage inequality, 1979–2017
|Inequality measure||Change in measure||Percent of change in measure explained by erosion of unions*|
|90/10 wage gap||0.32||27.3%|
|90/50 wage gap||0.33||37.3%|
|50/10 wage gap||-0.01||–|
|Standard deviation (log wages)||0.12||28.8%|
|90/10 wage gap||0.49||4.3%|
|90/50 wage gap||0.28||13.0%|
|50/10 wage gap||0.21||-6.6%|
|Standard deviation (log wages)||0.16||6.7%|
* Direct and spillover effect
Note: The wage gaps represent the difference between wages of workers at different percentiles in the wage distribution, where the 50th percentile worker is the median worker.
Source: Analysis of Fortin, Lemieux, and Lloyd 2021.