Fig. 1
From: The evolution of wage inequality within local U.S. labor markets
Source: Census 5 Percent Samples for 1980, 1990, and 2000. American Community Survey 2005–2019. Bureau of Economic Analysis, National Income and Product Accounts Tables 6.4A:6.4D. U.S. Department of Labor, State Minimum Wage Laws. Current Population Survey, Merged Outgoing Rotation Groups, 1979–2019
Wage dispersion, stylized facts: 1964–2019. Lines in plots a, c, and d, are smoothed regression lines fit by a generalized additive model. The effective minimum wage rate in b is simply the average of the real value of state minimum wages. Inequality measures are standardized. All amounts expressed in 2019 dollars