spectacle (4) modèle (4) Employees (4) Wages (4) Occupations (4) Example (4) Evidence (4) Average (4) chômage (2) technologie (2) changement technologique (2) secteur des services (2) séparation des masses (physique) (2) analyse (2) emploi (2) économie (2) Displacement (2) Employment (2) Article (2) Nineteen sixties (2) Nineteen fifties (2) Labor (2) States (2) Displaced workers (2) Labor market (2) Expertise (2) Rates (2) Work (2) Vocational guidance (2) Unemployment (2)