This document analyzes different forms of employee voice systems and how they may challenge managerial prerogative. It discusses direct and indirect forms of employee voice, with direct forms like participation and engagement giving employees more say and potentially limiting managerial decision-making power. While employee voice can challenge managerial authority by allowing employees to voice dissatisfaction or make their own decisions, it may also improve productivity and performance if a content workforce is achieved. Overall employee voice seems to be an important consideration for modern organizations, though it does constrain management prerogative to some extent.