A Contribution to the Critique of Political Economy

At first sight the wealth of society under the capitalist system presents itself as an immense accumulation of commodities, its unit being a single commodity. But every commodity has a twofold aspect, that of use value and exchange value.

A commodity is first of all, in the language of English economists, “any thing necessary, useful or pleasant in life,” an object of human wants, a means of existence in the broadest sense of the word. This property of commodities to serve as use-values coincides with their natural palpable existence. Wheat e. g. is a distinct use-value differing from the use-values cotton, glass, paper, etc. Use-value has a value only in use and is realized only in the process of consumption. The same use-value may be utilized in various ways. But the extent of its possible applications is circumscribed by its distinct properties. Furthermore, it is thus limited not only qualitatively but also quantitatively. According to their natural properties the various use-values have different measures, such as a bushel of wheat, a quire of paper, a yard of linen, etc.