“…Thus, within a certain perspective, there will be a drag in labour productivity for the businesses where physical attributes of jobs are relevant, due to the decrease of physical attributes with age, "such as physical strength, energy, and dexterity" (Sharpe, 2011, p. 86), as well as flexibility and adaptability (Smith, 1996;Verhaeghen & Salthouse, 1997), along with a significant increase of the share of working aged group (55-64 years) compared to the younger working force, due to the reduction of the birth rate (Kuhn et al, 2018). On the other hand, senior workers embed significant knowledge, cognitive skills and expertise and can benefit from their work experience, gaining managerial abilities with age (Ericsson & Lehmann, 1996;Ilmakunnas et al, 2004;Kuhn et al, 2018;Salthouse, 1984). Therefore, in professions for which these skills are essential, "such as judges, university presidents, top performing individuals" (Lehman, 1953, in Sharpe, 2011), it will lead to a higher productivity.…”