“…These results seem to be very optimistic as long as, positive dimensions of employees' voice may foster creativity, commitment, productivity and organisational sustainability (Ramlall,, Al-Kahtani,, & Damanhouri, 2014;De Cremer, & Van Lange, , 2001;Kahn, 1990) whereas, negative aspects, especially when occurring on a large-scale may, may lead to the overall drop in performance and to further significant organisational disfunctions (Moaşa,, 2013;Pinder & Harlos, 2001;Vakola, & Bouradas, 2005). Sustainable organisational change is connected to transparency and honesty and, when employees feel able to speak out, job satisfaction, well-being and psychological contract are fostered (Spencer, 1986;Verhezen, 2010).…”