Cairo
Source: Al-Wafd Newspaper
Prof. Dr. Ali Mohammed Al-Khouri
In the contemporary economy, “intellectual capital” has become more important than ever, reflecting a society’s level of intellectual awareness, its capacity to generate new ideas, and its ability to manage the challenges and changes that shape future development. Labor policies have long been a subject of considerable debate between those who prioritize increased productivity and those who focus on the safety and mental well-being of workers. However, the relationship between these two is no longer simply a matter of administrative organization or social balance; it has become an issue that extends to the very foundations of the knowledge economy itself, given the observable effects of excessive working hours on mental capabilities and on national economic performance.
Available scientific evidence shows that long working hours do not automatically boost productivity; in fact, they can hinder it. Economic studies, drawing on both historical and contemporary data, indicate that increasing weekly working hours beyond reasonable limits is not associated with improved productivity per hour worked, but often leads to a decrease in expected overtime pay. Some analytical studies based on data from various industries in the United States suggest that a 10% increase in working hours actually led to a decrease in productivity in most of these sectors. This is because mental and physical exhaustion reduces a worker’s ability to concentrate and make decisions, making any extra time spent working less valuable and more prone to errors.
From a health and social perspective, data from the World Health Organization and the International Labour Organization indicate that working more than 55 hours per week goes beyond mere temporary fatigue and is a proven risk factor for serious illness and premature death. Analysis based on data from 194 countries between 2000 and 2016 revealed that long working hours were associated with a nearly 35% increased risk of stroke and a 17% increased risk of death from heart disease compared to those working 40 hours per week. Globally, it is estimated that approximately 745,000 deaths annually are directly linked to excessive working hours, making it one of the world’s leading occupational risk factors.
Recent research is also advancing the link between neuroscience and management practices within organizations, revealing deeper effects of excessive working hours than previously thought. A study published in a medical journal specializing in occupational and environmental health showed that individuals working more than 52 hours per week experience significant changes in brain structure, particularly in areas responsible for logical reasoning, attention, and emotional regulation. These changes indicate the nervous system’s attempt to adapt to prolonged and continuous stress, an adaptation often accompanied by a decline in the efficiency of some basic cognitive functions.
These findings reveal that increased working hours do not necessarily guarantee higher productivity; rather, they may lead to a state of cumulative cognitive fatigue over time. As this level of stress persists, the accuracy of decisions and an individual’s ability to analyze coherently and grasp professional demands and challenges decline. This results in a significant decrease in mental efficiency, even among experienced individuals, making long hours a limiting factor for the mental capabilities upon which modern economic performance depends.
Statistics compiled by researchers in the field of knowledge economics indicate that the amount of time an individual spends in a state of high concentration—the moments when real value is produced—is not directly proportional to the length of working hours. On the contrary, multiple studies suggest that productivity begins to decline when weekly working hours exceed 40 to 50 hours, due to fatigue, exhaustion, and a decrease in the quality of concentration. This manifests as an increase in errors, a reduced ability to develop new ideas, and delays in decision-making.
The effects of long working hours extend beyond the individual, posing a significant challenge to national economic policies. Countries whose economies are based on knowledge and innovation face a decline in their collective cognitive abilities when they adopt work models that disregard the natural rhythm of brain function. Over time, this approach impacts a society’s capacity to generate new ideas, develop new operational mechanisms, and respond effectively to market shifts, making reliance on long working hours a detriment rather than a catalyst for economic growth.
On the other hand, international experiences that have implemented alternative models, such as reducing working hours without affecting wages in Iceland, show that improving the quality of professional life can be accompanied by stability or an increase in productivity, with higher levels of psychological and social stability and a decrease in occupational stress levels.
Overall, these findings transcend traditional debates on work-life balance. From a broader economic and political perspective, regulating working hours becomes a matter directly linked to a nation’s international competitiveness and social sustainability. In knowledge economies, economic output is inextricably linked to the quality of decisions, and employee well-being is inseparable from organizational performance. Any business model that focuses solely on time rather than value is known in economic literature as “increasing input without increasing output,” a situation requiring corrective policies before it becomes a long-term strategic disadvantage.
Effective policies in this area must be based on an integrated understanding that connects behavioral neuroscience, work systems design, and macroeconomics. This includes regulating working hours to respect cognitive limits, adopting performance evaluation systems based on the quality of work completed rather than the length of time worked, and implementing flexible work models that allow employees sufficient rest and mental rejuvenation to ensure long-term productivity.
Governments today need to rethink how they understand human capital, especially in a knowledge-based economy. A worker is no longer simply a productive force measured in hours worked; rather, they represent a mental and cognitive capacity that influences the quality of decision-making, the effectiveness of planning, and the type of solutions institutions produce. Protecting this capacity requires a political and economic approach that recognizes mental and emotional well-being as an integral part of a nation’s competitive strength and treats it as a vital resource that must be preserved, just like any other essential economic resource.
The shift of modern economies toward greater reliance on critical thinking and efficient knowledge management necessitates that governments adopt unconventional models and provide work environments based on a balanced, humanistic rhythm. Such environments are better equipped to generate stable growth and facilitate clear decision-making when addressing complex problems. It is a given that longer hours do not necessarily equate to higher performance, and that a nation’s future will progress to the extent that it preserves its mental energy and ensures its continuity as an integral part of its economic strength. Building the future of the economy begins with providing the conditions that allow individuals to work and perform their professional duties efficiently and with mental stability, because all genuine progress is fundamentally based on the quality of the ideas people formulate and the decisions they make in critical moments.
