At the end of the day things have value only because people want them and give them value.
What value do you give air? It's absolutely essential to life after all! But since you have as much as you could use you don't value having more.
I think you're confounding value and marginal value.
At the end of the day things have value only because people want them and give them value.
What value do you give air? It's absolutely essential to life after all! But since you have as much as you could use you don't value having more.