div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentaverage-than-blue-collar-workers-but-the-difference-decreases-as-time-progresseshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · average than blue-collar workers but the difference decreases as time progresses: in 1960 white collar workers had almost twice the years of education of the blue collar workers loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220411025edd0533ad6a402d6667f345html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentaverage-than-blue-collar-workers-but-the-difference-decreases-as-time-progresseshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · average than blue-collar workers but the difference decreases as time progresses: in 1960 white collar workers had almost twice the years of education of the blue collar workers loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220411025edd0533ad6a402d6667f345html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentaverage-than-blue-collar-workers-but-the-difference-decreases-as-time-progresseshtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · average than blue-collar workers but the difference decreases as time progresses: in 1960 white collar workers had almost twice the years of education of the blue collar workers loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...