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The two forms which have so far distinguished money from the circulating medium are those of suspended coin and of the hoard. The temporary transformation of coin into money in the case of the former means that the second phase of C—M—C, namely purchase M—C, must break up within a certain sphere of circulation into a series of successive purchases. As to hoarding, it is simply based on the isolation of the act C—M when it does not immediately pass into M—C, or is but an independent development of the first metamorphosis of a commodity; it represents money as the result of the alienation of all commodities in contra-distinction to the medium of circulation as the embodiment of commodities in their always alienable form. Coin reserves and hoards are money only as non-circulating mediums and are non-circulating mediums only because they do not circulate. In the capacity in which we consider money now, it circulates or enters circulation, but does not perform the function of a circulating medium. As a medium of circulation money is always a means of purchase, now it does not act in that capacity.
As soon as money develops through the process of hoarding into the embodiment of abstract social wealth and the tangible representative of material wealth, it assumes in that capacity special functions within the process of circulation. If money circulates merely as a medium of circulation and therefore as a means of purchase, it is understood that commodity and money confront each other at the same time, i. e., that the samePg 186 value is present in a double form: at one pole, as a commodity in the hands of the seller; at the other pole as money in the hands of the buyer. This simultaneous existence of the two equivalents at opposite poles and their simultaneous change of places or mutual alienation presupposes in its turn that seller and buyer enter into relations as owners of equivalents that are on hand. But in the course of time, the process of the metamorphosis of commodities which produces the different forms of money, transforms also the owners of commodities or changes the character in which they appear before each other in the community. In the process of metamorphosis of the commodity the guardian of the latter changes his skin as often as the commodity changes place or as the money assumes new forms. Thus, the owners of commodities originally confronted each other only as commodity owners, but later on they became one a buyer, the other a seller; then each became alternately buyer and seller, then hoarders, and finally rich men. In that manner, the owners of commodities do not come out of the process of circulation the same men that they entered. In fact the different forms which money assumes in the process of circulation are but crystallized changes of form of the commodities themselves, which in their turn are but concrete expressions of the changing social relations in which commodity owners carry on the interchange of matter with one another. New trade relations spring up in the process of circulation, and, as representatives of these changed relations, commodity owners assume new economic roles. Just as gold becomes idealizedPg 187 within the process of circulation and plain paper, in its capacity of a representative of gold, performs the function of money, so does the same process of circulation lend the weight of actual seller and buyer to the buyer and seller who enter it merely as representatives of future money and future commodities.
All the forms in which gold develops into money, are but the unfolding of potentialities which the metamorphosis of commodities bears within itself. These forms did not become distinctly differentiated in the process of simple money circulation where money appears as coin and the movement C—M—C forms a dynamic unity; at most, they appeared as mere potentialities as, e. g., in the case of the break in the metamorphosis of a commodity. We have seen that in the process C—M the relations between the commodity and money were those of an actual use-value and ideal exchange-value to an actual exchange value and only ideal use-value. By alienating his commodity as a use-value the seller realized its own exchange value and the use-value of money. On the contrary, the buyer, by alienating his money as exchange value, realized its own use-value and the price of the commodity. Commodity and money changed places accordingly. When it comes to a realization in actual life of this bi-polar contrast, a new break occurs. The seller actually alienates his commodity, but realizes its price only in idea: he has sold his commodity at its price, which is to be realized, however, only subsequently, at a time agreed upon. The purchaser buys as the representative of future money, while the vender sells as the owner of presentPg 188 goods. On the part of the vender, the commodity as use-value is actually alienated, without the price being actually realized; on the part of the purchaser, money is actually realized in the use-value of the commodity, without being actually alienated as exchange value. Instead of a token of value representing money symbolically as was the case before, the purchaser himself performs that part now. And just as in the former case the symbolic nature of the token of value called forth the guarantee of the state which has made it legal tender, so does the personal symbolism of the buyer bring about legally enforcible private contracts among commodity owners.
The contrary may happen in the process M—C, where the money can be alienated as a real means of purchase, and in that way the price of the commodity can be realized before the use-value of the money is realized and the commodity actually delivered. This occurs constantly under the everyday form of pre-payments. And it is under this form that the English government purchases opium from the ryots of India, or, foreign merchants residing in Russia mostly buy agricultural products. In these cases, however, the money always acts in its well known role of a means of purchase and therefore, does not assume any new forms.103 We need not dwell, therefore, on this case any longer; but with reference to the changed form which the two processes M—C and C—M assume Pg 189now, we may note that the difference between purchase and sale which appeared but imaginary in the direct process of circulation, now becomes a real difference, since in the former case only the money is present and in the latter only the commodity, and in either case only that extreme is present from which the initiative comes. Besides, the two forms have this in common: that in either, one of the equivalents is present only in the common will of the buyer and seller,—a will that is binding on both and assumes definite legal forms.
Seller and buyer become creditor and debtor. While the commodity owner looked comical as the guardian of a treasure, he now becomes awe-inspiring, since he no longer identifies himself but his neighbor with a certain sum of money and makes him and not himself a martyr of exchange value. From a believer he becomes a creditor, for religion he substitutes law.
"I stay here on my bond!"
Thus, in the modified form C—M in which the commodity is present and money is only represented, money plays first of all the part of a measure of value. The exchange value of the commodity is estimated in money as its measure; but as exchange value, established by contract, price exists not only in the mind of the seller, but also as a measure of obligation on the part of the buyer. Besides serving as a measure of value, money plays here the part of a means of purchase, although in that capacity it only casts ahead the shadow of its future existence. It attracts the commodity from its position in the handPg 190 of the seller into that of the buyer. As soon as the term of the contract expires, money enters circulation, since it changes its position by passing from the hands of the former buyer into those of the former seller. But it does not enter circulation as a circulating medium or as a means of purchase. It performed those functions before it was present and it appears after it has ceased to perform them. It now enters circulation as the only adequate equivalent of the commodity, as the absolute form of existence of exchange value, as the last word of the process of exchange, in short as money, and money in its distinct role of a universal means of payment. In this capacity of a means of payment money appears as the absolute commodity, but within the sphere of circulation and not without it as was the case with hoards. The difference between the means of purchase and the means of payment makes itself unpleasantly felt in periods of commercial crises.104
