“…Second, there is substantial evidence that training activities are higher in works council establishments (Gerlach and Hübler, 2001;Hübler, 2003;Stegmaier, 2012;Zwick, 2005). These findings are consistent with those of studies indicating a positive correlation between productivity and the existence of a works council (Brändle, 2017;Hübler, 2015;Jirjahn and Mueller, 2014;Mueller, 2012Mueller, , 2015, although the effect may vary with firm size (Addison et al, 2001;Jirjahn and Mueller, 2014). The net impact of higher productivity and higher wages, i.e.…”