# Theories of Value
![[Theory of Value (Economics) - Wikipedia#^z2ok8r]]
Note that Adam Smith proposed two different definitions of the word value: *value in use* and *value in exchange*:
![[Paradox of Value - Wikipedia#^4nnb9g]]
The above refers to the [[Diamond-Water Paradox]].
## Labor Theory of Value
One of the fundamental presuppositions of Marxist economics is that the price of a commodity is determined by the labor that went into producing it.
![[Labor Theory of Value#^yvs12r]]
## Cost of Production Theory of Value
![[Cost of Production Theory of Value#^rfj3g8]]
## Utility Theory of Value
![[Utility Theory of Value#^dtgwo7]]
## Subjective Theory of Value
![[Subjective Theory of Value#^43pclm]]
![[Subjective Theory of Value#^i0m5k5]]