https://www.project-syndicate.org/commentary/america-economic-expansion-wage-stagnation-by-laura-tyson-and-lenny-mendonca-2019-07?a_a=click&a_d=5d39c619a5e70911fc44d3b7&a_la=english&a_li=america-economic-expansion-wage-stagnation-by-laura-tyson-and-lenny-mendonca-2019-07&a_m=&a_p=homepage&a_pa=curated&a_ps=&a_s=