Pretty strong consensus that technological advancement has affected different skill groups differently.
http://www.igmchicago.org/igm-economic-experts-panel/poll-results?SurveyID=SV_0IAlhdDH2FoRDrm
http://www.igmchicago.org/igm-economic-experts-panel/poll-results?SurveyID=SV_0IAlhdDH2FoRDrm