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Introduction to Services and Employment: Explaining the U.S.-European Gap
Gregory, Mary,
Arbeitsmarktwirkungen moderner Technologien : Band 1: Technologischer Wandel und Beschäftigung ; Fakten, Analysen, Trends
Bangel, Bettina, (1989)
Services and Employment : Explaining the U.S.-European Gap
Baumol, William J., (2007)