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Re:To Understand Rising Inequality, Consider Janitors by Chris2048 on Thursday September 07, 2017 @07:33AM (#15190812)
The job dynamic are likely a predator-prey style relationship of supply vs demand.

The main features of janitorial work is few barriers to entry. There is fair demand, but there is plentiful supply which is why it is relatively low paid.

If Janitors could only replace Janitors, then being "non-renewable" would reduce supply, increasing wage, and maintaining balance.

In reality, the main feature of Janitorial work is most people otherwise lacking qualifications can do it; i.e. anyone. So it's not true that the renewability of janitorial work has a direct affect on supply.

Instead, it depends on overall supply of unskilled labour.

Re:To Understand Rising Inequality, Consider Janitors by solidsnack9000 on Thursday September 07, 2017 @05:47PM (#15196060)
> The job dynamic are likely a predator-prey style relationship of supply vs demand.

I thought about this for a while after you wrote it.

In a stable setting, where there is not a large and pre-existing supply of prey, prey animals tend to have large broods. Many off their offspring are preyed upon or otherwise unable to reproduce, but just enough make it in each generation and likewise manage to have large broods.

This is not a behaviour that seems plausible with modern people. The amount of time required to educate someone prior to their entering workforce is enormous now -- we can't afford to do something like what prey animals do, with regards to work.

Re:To Understand Rising Inequality, Consider Janitors by solidsnack9000 on Thursday September 07, 2017 @09:28AM (#15191609)
Isn't the question one of the renewability of unskilled labor?

Where does the unskilled labor come from?