“…workplace 1189 interdependence (Hyman, 2005). It is possible, therefore, that such arrangements are more than substitution and/or the suppression of union triggers, but actually act as a 'complement' to management decision-making (Gall and McKay, 2001;Gollan, 2000;Kaufman, 2000;Taras and Copping, 1998;Terry, 1999;Watling and Snook, 2003). This additional possibility of complementarity contrasted against substitution is summarized in Table 1.…”