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Scientists Create Color-Changing Chameleonic Flowers

IV. The labour time respectively necessary for the production of the linen and the coat, and therefore the value of these commodities may simultaneously vary in the same direction, but at unequal rates, or in opposite directions, or in other ways. The effect of all these possible different variations, on the relative value of a commodity, may be deduced from the results of I., II., and III.

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One consequence of the peculiar nature of labour-power as a commodity is, that its use-value does not, on the conclusion of this contract between the buyer and seller, immediately pass into the hands of the former. Its value, like that of every other commodity, is already fixed before it goes into circulation, since a definite quantity of social labour has been spent upon it; but its use-value consists in the subsequent exercise of its force. The alienation of labour-power and its actual appropriation by the buyer, its employment as a use-value, are separated by an interval of time. But in those cases in which the formal alienation by sale of the use-value of a commodity, is not simultaneous with its actual delivery to the buyer, the money of the latter usually functions as means of payment.[12] In every country in which the capitalist mode of production reigns, it is the custom not to pay for labour-power before it has been exercised for the period fixed by the contract, as for example, the end of each week. In all cases, therefore, the use-value of the labour-power is advanced to the capitalist: the labourer allows the buyer to consume it before he receives payment of the price; he everywhere gives credit to the capitalist. That this credit is no mere fiction, is shown not only by the occasional loss of wages on the bankruptcy of the capitalist,[13] but also by a series of more enduring consequences.[14]Nevertheless, "whether money serves as a means of purchase or as a means of payment, this makes no alteration in the nature of the exchange of commodities. The price of the labour-power is fixed by the contract, although it is not realised till later, like the rent of a house. The labour-power is sold, although it is only paid for at a later period. It will, therefore, be useful, for a clear comprehension of the relation of the parties, to assume provisionally, that the possessor of labour-power, on the occasion of each sale, immediately receives the price stipulated to be paid for it.

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The primary or isolated relative form of value of one commodity converts some other commodity into an isolated equivalent. The expanded form of relative value, which is the expression of the value of one commodity in terms of all other commodities, endows those other commodities with the character of particular equivalents differing in kind. And lastly, a particular kind of commodity acquires the character of universal equivalent, because all other commodities make it the material in which they uniformly express their value.