Lembcke, Alexander C.; Kohn, Karsten; Fitzenberger, Bernd - 2008
coverage is much higher than union density; and not all employees in a covered firm are necessarily covered. This institutional … setup suggests to explicitly distinguish union power as measured by net union density (NUD) in a labor market segment … regressions, this is the first empirical paper which simultaneously analyzes these three dimensions of union influence on the …