What is the mechanism behind “money” as in the “dollar” as an example? Fiat money derives its value

from either positive or negative yields as what one of the mechanisms behind the global markets is that yield force either positive or negative yields.

What is a yeild?

“A yield is interest rate on a value that is placed on an item (an account of money) also referred to as compounding interst when it happens over time.”

~G.S.MinistriesNotes