Earlier quoted context omitted.
Value is something that motivates people to do work (that creates value). It's like bartering (I'll fix your car if you mow my yard), but currency makes work fungible (I'll fix your car for $80, and then pay another guy $80 to mow the yard). Key to this is understanding that someone might be willing to cut the yard for $75, and someone else might do it for $60. Probably no one for $20 though. Speculation, which you l…
>Value is found by everyone voting with their currency units on what the value of any given thing is. To me what you're describing sounds like market price discovery versus value, which can also be functional usefulness or social worth, in the vein of the diamond–water paradox. A price is what someone is willing to pay, but value is something's worth. For example while selling a car if nobody is currently interested…
Pretty much everyone agrees teachers are valuable, but their economic value is relatively low or their market is distorted. As hellishly capitalistic as it sounds, a teacher that could reliably produce all star workers would probably be paid handsomely as a student conveyor belt to Megacorp, by Megacorp.
Also medicine breaks discussions of markets/economics, the value of a shot that saves your is infinite.