Media type: E-Article Title: Union density effects in the supermarket industry Contributor: Johansson, Robert C.; Coggins, Jay S. Published: Springer Science and Business Media LLC, 2002 Published in: Journal of Labor Research, 23 (2002) 4, Seite 673-684 Language: English DOI: 10.1007/s12122-002-1035-1 ISSN: 0195-3613; 1936-4768 Keywords: Management of Technology and Innovation ; Organizational Behavior and Human Resource Management ; Strategy and Management Origination: Footnote: