The Hidden Cost of Decision Fatigue: A Study of Managerial Judgement and Workplace Efficiency.

AbstractManagerial decision-making is central to organisational effectiveness because it influences resource allocation, employee supervision, operational planning, conflict resolution, and strategic development. In contemporary workplaces, managers are expected to make numerous decisions while handling competing priorities, digital communications, administrative responsibilities, and rapidly changing business conditions. Although decision-making is commonly regarded as a managerial competency, the cumulative demands associated with repeated decisions may receive insufficient attention. Decision fatigue is generally used to describe a perceived decline in decision-making quality, consistency, or willingness following prolonged or demanding decision activity. Its possible manifestations include postponing difficult choices, relying excessively on familiar alternatives, reducing the consideration of available options, and experiencing increased difficulty maintaining attention. However, decision fatigue is not a universally established explanation for all changes in decision performance, and its mechanisms remain subject to scientific debate. The present study examines the hidden costs of decision fatigue in managerial work, with particular attention to managerial judgement and workplace efficiency. It adopts a descriptive and analytical approach based on secondary literature relating to bounded rationality, cognitive workload, selfregulation, information overload, task switching, and organisational decision-making. The analysis explores how repeated decision demands may interact with workplace conditions such as time pressure, frequent interruptions, unclear responsibilities, excessive reporting, and poorly structured approval procedures. It also considers how decision-related difficulties may influence the consistency of managerial evaluations, the timeliness of organisational responses, employee coordination, and the use of resources. The literature-based analysis indicates that decision quality should not be understood as the product of individual mental capacity alone. It is also influenced by expertise, motivation, information quality, organisational culture, task complexity, and the design of decision processes. The study therefore recommends a balanced approach involving decision classification, appropriate delegation, structured evaluation criteria, protected concentration time, better information management, proportionate use of technology, and periodic review of organisational procedures. These measures are proposed as practical management interventions rather than as interventions whose effectiveness has been experimentally established by this paper. The study concludes that organisations should evaluate both the excellence and efficiency of managerial decisions instead of relying exclusively on decision speed or volume. It also identifies opportunities for future empirical research to establish more precisely how decision demands relate to judgement quality and workplace outcomes. KeywordsDecision fatigue, managerial judgement, workplace efficiency, cognitive workload, organisational behaviour, managerial decision-making, information overload, employee productivity, decision quality, organisational effectiveness.