Efficiency means performance. Efficiency is a very vital rule in all living things of world. Some people believed that when a man become aged their performance are decreasing so the new generation are taking place of them.
I think This common phenomena age effect of their performance if you are working physical type job. For example we are sure that Labour performance are decreased after when he reached at age of 50. But in the world some fields where efficiency are increased with age, for example, in professional type job efficiency improved with increasing experiences, and new young men have not field knowledge so, they depend on their seniors and start their career as a trainees.
On the other side, young people are more energetic and full command of new technologies so, they complete complicated task in short of time. while efficiency of aged people are decreasing because they not understand changes in the world. They used old methods and not have knowledge about new technology.In industry new automated machines are working, new generation have knowledge because they read in universities.But aged people are rely on their experience so that is factor s their efficiency decreased so, i think that some jobs are better for old people but some areas where are young people are good option.
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