Older adults not being hired for new jobs, being eased out of old ones because they are perceived as too rigid or feeble-minded, and being eased out because they are not considered cost effective are examples of:

It's an example of Ageism.
Eventhough it's true that older workers tend to work less if seen from the working-hours point of view,
But, the studies show that they could be as capable as the younger ones because they posses more experience which makes their working hour more efficient.

I’d say e civil liberties