О медианных зарплатах в США: Drew DeSilver, “For Most Workers, Real Wages Have Barely Budged for Decades,” Pew Research Center, October 9, 2014, . О доле труда в Организации экономического сотрудничества и развития: “Workers’ Share of National Income: Labour Pains,” Economist, October 31, 2013, .
