It’s useful if you’re trying to maintain X utility at the lowest cost for any X. It’s also useful if you’re trying to maximize utility at a given cost Y. If you only have a finite amount of money, it’s useful.
It’s useful if you’re trying to maintain X utility at the lowest cost for any X. It’s also useful if you’re trying to maximize utility at a given cost Y. If you only have a finite amount of money, it’s useful.