According to the human depreciation concept, what happens as workers age?

The human depreciation concept suggests that, as workers age, there tends to be a decline in their physical and sometimes cognitive abilities, which can lead to decreased productivity over time. This idea is rooted in observations that, while experience and skills can grow with age, the physical limitations associated with aging may limit their ability to perform certain tasks as efficiently or effectively. As a result, organizations may notice a discrepancy in the productivity levels of older employees compared to their younger counterparts, leading to the belief that their overall ability to work declines.

In contrast, the other options present ideas that are generally inconsistent with the human depreciation concept. For instance, the assertion that productivity increases significantly with age does not account for the physical factors at play. Similarly, claiming that older workers require less training contradicts the notion that skill development is an ongoing need, regardless of age. Lastly, while experienced employees may hold significant value due to their knowledge and understanding of company processes, their declining productivity can overshadow this value in the context of the human depreciation concept.