. . "Technischer Fortschritt Lohnstruktur Beschäftigung Arbeitsmarktsegmentierung Theorie." . . "USA." . . "Technische vernieuwing." . . "National Bureau of Economic Research" . . . . . . . . . . . . . . . . . . "Wage Dispersion and Technical Progress" . "Wage Dispersion and Technical Progress"@en . . . "Wage dispersion and technical progress"@en . . "Wage dispersion and technical progress" . . . . . . . . . . "Loondifferentiatie." . . "lønstruktur." . . "National Bureau of Economic Research (Estados Unidos)" . . "løndifferentiering." . .