Figure KEducational upgrading of the workforce, 1973–2007Source: Authors' analysis of Current Population Survey Outgoing Rotation Group microdata Share on Facebook Tweet this chart EmbedCopy the code below to embed this chart on your website.<iframe width="100%" height="460" src="https://www.epi.org?p=44469&view=embed&embed_template=charts_v2013_08_21&embed_date=20241014&onp=44469&utm_source=epi_press&utm_medium=chart_embed&utm_campaign=charts_v2" frameborder="0"></iframe> Download image This chart appears in: Don’t Blame the Robots: Assessing the Job Polarization Explanation of Growing Wage Inequality Previous chart: « Katz-Murphy prediction model for the college-high school wage gap Next chart: Smoothed changes in log employment share and log wage by occupational wage percentile, and smoothed changes in log was by wage percentile, 2000–2007 »