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Coming back now to C—M—C, or to circulation as a whole, it is apparent that it contains the combined series of metamorphoses through which a commodity passes. But at the same time as one commodity enters the first phase of its circulation and completes its first metamorphosis, another commodity enters the second phase of circulation, completes its second metamorphosis and falls out of circulation; the first commodity enters at the same time the second phase of circulation completes its second metamorphosis and falls out of circulation, while a third commodity enters circulation, passes through the first phase of its course completing the first metamorphosis.
Thus, the combined circulation C—M—C, as a complete metamorphosis of a commodity always constitutes at the same time the end of the complete metamorphosis of another commodity and the beginning of a complete metamorphosis of a third commodity, i. e., a series without beginning or end. To illustrate this let us call C in either extreme C' and C" respectively, in order to distinguish the commodities, the series reading thus: C'—M—C". The first member, C'—M, presupposes in fact that M is the result of another transaction C—M, and is thus itself merely the last member of a series C—M—C', while the second part M—C" is merely a result of C"—M, or appears as the first part of C"—M—C'", and so on. Furthermore, although M is the result of only one sale, it appears that the last part M—C, may be represented as M—C' + M—C" + M—C'", etc., i. e., it may be split up into a number of purchases, and consequently a number of sales, or into a number of first members of new complete metamorphoses of commodities. Since the complete metamorphosis of a single commodity thus appears as a link not only of one endless chain of metamorphoses, but of many such chains, the process of circulation in the world of commodities presents a hopeless confusion of intertwined movements constantly ending and starting anew at a countless number of points. But every single sale or purchase stands as an independent isolated act, whose supplemental act may be separated from it in time and place, and therefore does not need to follow it directly as its continuation. Every separate process of circulation, C—M or M—C, as a transformation of one comPg 118modity into use-value and of another into money, i. e., as the first and second phases of circulation respectively forms an independent halting point from either direction; but, on the other hand, all commodities commence their second metamorphosis in the common form of the universal equivalent, gold, and stop at the starting point of the second phase of circulation; for that, reason any M—C dovetails in actual circulation with any C—M; the second chapter in the life-course of one commodity with the first chapter of that of another commodity. A, e. g., sells 2 worth of iron. He thus completes the transaction C—M or the first metamorphosis of commodity iron, but postpones his purchase until some other time. At the same time B, who sold 2 quarters of wheat for 6 a fortnight since, buys with the same 6 a coat and trousers of Moses & Son, thus completing M—C or the second metamorphosis of the commodity, wheat.
The two transactions M—C and C—M appear here merely as links of one chain, because a commodity expressed in gold looks like any other commodity, and one cannot tell by the looks of the gold whether it is transformed iron or transformed wheat. C—M—C appears, therefore, in the actual process of circulation as a jumble of countless accidentally coinciding or successively following members of different complete metamorphoses. The actual process of circulation thus appears not as a complete metamorphosis of a commodity, not as its movement through opposite phases, but as a mere agglomeration of many accidentally coinciding or successive purchases and sales. The process thus losesPg 119 all clearness of outline which is so much more the case since every single act of circulation, e. g., sale, is at the same time its opposite, purchase, and vice versa. On the other hand, the process of circulation is nothing but the movement of metamorphoses in the world of commodities and, therefore, must reflect them also in its movement as a whole. How that reflection takes place we shall consider in the following chapter. It may be added here that in C—M—C the two extreme Cs constitute two forms of commodities which do not bear the same relation to M. The first C relates to money as a commodity of a special class to a universal commodity, while money relates to the second C as a universal commodity to an individual commodity. C—M—C can, therefore, be reduced by abstract logic to the final form S—U—I in which S, standing for species, forms the first extreme; U, signifying universality, forms the connecting medium, and I, individuality, constitutes the last extreme.
The owners of commodities entered the sphere of circulation simply as guardians of commodities. Within that sphere they confront each other in the opposite roles of buyer and seller, one as a personified sugar-loaf, the other as personified gold. As soon as the sugar-loaf is turned into gold, the seller becomes a buyer. These definite social functions are no outgrowths of human nature, but are the products of relations of exchange between men who produce their goods in the form of commodities. They are so far from being purely individual relations between buyer and seller that both enter this relation only to the extent that theirPg 120 individual labor is disregarded and is turned into money as labor of no individual. Just as it is, therefore, childish to consider these economic bourgeois roles of buyer and seller as eternal social forms of human individuality, so it is on the other hand, preposterous to lament in them the extinction of individuality.68 They are the necessary manifestations of individuality at a certain stage of the social system of production. Moreover, in the opposition of buyer and seller the antagonistic nature Pg 121of capitalistic production is expressed as yet so superficially and as mere matter of form, that this opposition belongs also to precapitalistic forms of society, since it merely requires that the mutual relations of individuals should be those of owners of commodities.
Now, if we consider the result of C—M—C, it comes down to mere interchange of matter, C—C. A commodity has been exchanged for a commodity, a use-value for a use-value, and the transformation of the commodity into money, or the commodity in its form of money, serves merely as a means of effecting this interchange of matter. Money thus appears merely as a medium of exchange of commodities; not as a medium of exchange in general, but as a means of exchange in the sphere of circulation, i. e., a medium of circulation.69
We have seen that the process of circulation of commodities comes to a completion in C—C, appearing as mere barter carried on by means of money; further, that C—M—C represents in general not only two isolated processes, but their dynamic union as well; but to draw from that the conclusion that purchase and sale form an indivisible unit, is a mode of thinking the criticism of which belongs to the domain of logic, and not to that of economics. The separation of purchase and sale in the process of exchange destroys all local, primitive, patriarchal and naively genial barriers to interchange of matter in society. It is, moreover, the general form of the separation of the points of coincidence and opposition in this interchange, carrying within it the possibility of commercial crises, because the antagonism of commodity and money is the abstract and general form of all antagonisms with which the capitalistic system of labor is pregnant. Hence, circulation of money is possible without crises, but crises can not occur without money circulation. In other words, where labor based on the system of private exchange has not reached the stage marked by the existence of money, it is less capable of producing those phenomena which presuppose the full development of the capitalistic mode of production. Bearing this in mind we can appreciate the depth of the criticism which proposes to do away with the "shortcomings" of capitalistic production by abolishing the "privilege" enjoyed by the precious metals and introducing a so-called "rational monetary system." As a sample of economic defence of an opposite character may serve the following piecePg 123 of reasoning which has been proclaimed exceedingly keen. JAMES MILL, the father of the well-known English economist, John Stuart Mill, says: "Whatever ... be the amount of the annual produce, it never can exceed the amount of the annual demand.... Of two men who perform an exchange, the one does not come with only a supply, the other with only a demand; each of them comes with both a demand and a supply.... The supply which he brings is the instrument of his demand; and his demand and supply are of course exactly equal to one another. It is therefore, impossible that there should ever be in any country a commodity or commodities in quantity greater than the demand, without there being, to an equal amount, some other commodity or commodities in quantity less than the demand."70
