Friday, September 1, 2017

Two Questions on Utilitarianism



I was thinking on utilitarianism last  night about how ultimately we want to maximize the good in the world – and not diminish any individual’s good at the expense of the others (pareto optimality) –  it made me wonder a couple of things.

First, do the units we use to measure utility in a move from abstract to something quantifiable all have the same value to all users? Does an Util face the law of diminishing returns so that if we have one unit of good to pass around, it would do best to give it to the one who has the lowest absolute utility?

Secondly, one of my favorite thought experiments that might hit on moral philosophy is that of the trolley problem, defined in Wikipedia as:

“There is a runaway trolley barreling down the railway tracks. Ahead, on the tracks, there are five people tied up and unable to move. The trolley is headed straight for them. You are standing some distance off in the train yard, next to a lever. If you pull this lever, the trolley will switch to a different set of tracks. However, you notice that there is one person on the side track. You have two options:

Do nothing, and the trolley kills the five people on the main track.

Pull the lever, diverting the trolley onto the side track where it will kill one person.
Which is the most ethical choice?”

How does a utilitarian answer that question and does it differ from other answers in different philosophical frames?

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