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a value, represented by the socially necessary labour time to produce it (Note: the first link is to a non-Marxian definition of value); a use value (or utility); an exchange value, which is the proportion at which a commodity can be exchanged for other entities; a price (an actual selling price, or an imputed ideal price).
The law of the value of commodities (German: Wertgesetz der Waren), [1] known simply as the law of value, is a central concept in Karl Marx's critique of political economy first expounded in his polemic The Poverty of Philosophy (1847) against Pierre-Joseph Proudhon with reference to David Ricardo's economics.
The surplus value/product is the materialized surplus labour or surplus labour time while the necessary value/product is materialized necessary labour in regard to workers, like the reproduction of the labour power. [6] Marx called the rate of surplus value an "exact expression of the degree of exploitation of labour power by capital". [11]
In Marx's theory, a commodity is something that is bought and sold, or exchanged in a relationship of trade. [4] It has value, which represents a quantity of human labor. [5] Because it has value, implies that people try to economise its use. A commodity also has a use value [6] and an exchange value. [7]
Value is, on the other hand, a measure of a commodity's worth in comparison to other commodities. It is closely related to exchange-value, the ratio at which commodities should be traded for one another, but not identical: value is at a more general level of abstraction; exchange-value is a realisation or form of it.
The value of labor, in this view, covered not just the value of wages (what Marx called the value of labor power), but the value of the entire product created by labor. [ 18 ] Ricardo's theory was a predecessor of the modern theory that equilibrium prices are determined solely by production costs associated with Neo-Ricardianism .
This causes people to think value and exchange-value are the same thing, but Marx argues they are not; the content, magnitude and form of value must be distinguished, and according to the law of value, the exchange value of products being traded is determined and regulated by their value. His argument is, that the market prices of a commodity ...
Marx concludes that as value is determined by labour, and as profit is the appropriated surplus value remaining after paying wages, that the maximum profit is set by the minimum wage necessary to sustain labour, but is in turn adjusted by the overall productive powers of labour using given tools and machines, the length of the workday, the ...