Maurice (2) France (2) Allemagne (2) Employment (2) Birthplace (2) Assaying (2) Observations (2) Observations (2) Labor market (2) Labor demand (2) Socialization (2) Sharing (2) Production (Economic theory) (2) Petroleum chemicals industry (2) Markets (2) Machinery industry (2) Labor supply (2) Working class (2) Hierarchies (2) Goal (Psychology) (2) Employment (Economic theory) (2) Finance (2) Research (2) Analysis (2) Sociological aspects (2) Structure (2) Birth (2) Publishing (2) Publication and distribution (2) Occupations (2)