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Single Idea 20278

[catalogued under 22. Metaethics / B. The Good / 1. Goodness / h. Good as benefit]

Full Idea

The economic principle of marginal utility states that for a given individual a set amount of something is more useful when the individual has little of it than when he has a lot.

Gist of Idea

'Marginal utility' says something is more useful if it is in short supply

Source

Peter Singer (Practical Ethics [1979], 02)

A Reaction

But individuals may very a lot on this one. 'He can't get enough of X'. I may be desperate to buy 10,000 books, but you may consider such a need ridiculous, so who decides?

Book Reference

Singer,Peter: 'Practical Ethics' [CUP 1989], p.22