A Contribution to the Critique of Political Economy

by Karl Marx

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 piece 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]

Mill restores the balance by turning the process of circulation into direct barter and then smuggling into direct barter the character of buyer and seller borrowed by him from the process of circulation. To put it in his own confused language, during certain periods when all commodities are unsaleable there are really more buyers than sellers of one commodity, money, and more sellers than buyers of all other money, commodities; such was, e. g., the case at certain moments during the commercial crisis of 1857-58 in London and Hamburg. The metaphysical balance of purchases and sales amounts to this, that every purchase is a sale and every sale is a purchase, which is a poor consolation to the guardian of the commodity who can not bring about its sale and therefore can not buy.[71]

The separation of sale and purchase makes possible a large number of fictitious transactions side by side with genuine trade before the final exchange between the producer and the consumer of commodities takes place. It enables a host of parasites to penetrate the process of production and exploit the separation. But this, again, means that with money as the universal form of labor under the capitalist system, there is the possibility of the development of its contradictions.

b. THE CIRCULATION OF MONEY.

Actual circulation appears at first sight as a mass of purchases and sales accidentally taking place side by side. In buying as in selling, commodities and money always stand in the same mutual relation: the seller, on the side of the commodity; the buyer, on that of money. Money as a medium of circulation always appears therefore as a means of purchase; and in that way the difference in its destinations in the opposite phases of the metamorphosis of the commodity becomes indistinguishable.

Money passes into the hands of the seller in the same transaction in which the commodity passes into the hands of the buyer. Commodities and money thus flow in opposite directions and this change of place in which the commodity passes over to one side and money to the other side, occurs simultaneously at an indefinitely large number of points on the entire surface of bourgeois society. But the first step which the commodity makes in the sphere of circulation is also its last step.[72] Whether it leaves its place on account of its attraction for gold (C—M), or on account of its attraction by gold (M—C), with one move, with one change of place it falls out of the sphere of circulation into that of consumption. Circulation is a continuous flow of commodities, but different commodities all the time, since each commodity makes but one move. Every commodity enters upon the second phase of its circulation not as the same commodity, but as another commodity, gold. Hence the movement of a metamorphosed commodity is the movement of gold. The same piece of gold or the identical gold coin which changed places with one commodity in the act C—M, reappears from the opposite end as the starting point for M—C and thus changes places for the second time with another commodity. Just as it passed from the hands of buyer B into those of seller A, it now leaves A’s hands who has become a buyer and passes into C’s hands. The path described by a commodity in its transformation into money and its retransformation from money, i. e., the movement of a complete metamorphosis of a commodity assumes the aspect of an apparent movement of the same coin that changes places twice with two different commodities. No matter in how scattered and haphazard fashion purchases and sales may take place near each other, there is always in actual circulation a seller for each buyer and the money which moves into the place of the commodity sold, before it came into the hands of the buyer, must have already changed places with another commodity. Sooner or later it again leaves the hands of the seller, who turns buyer, to pass into the hands of a new seller and this frequently repeated change of place forms the interlacing of the metamorphoses of commodities. The same coins are moving, some more, others less frequently, from one place in the sphere of circulation to another, always in the direction opposite to that of the commodities moved, thus describing a longer or shorter circulation-curve. The different movements of the same coin can follow each other in point of time only, and on the contrary, the many scattered purchases and sales which appear as so many separate changes of place between commodities and money, occur simultaneously separated only in point of space.

The circulation of commodities C—M—C in its elementary form is completely described in the transition of money from the hands of the buyer into those of the seller and from the hands of the latter, as soon as he has turned buyer, into those of a new seller. This completes the metamorphosis of the commodity and with it the movement of money in so far as that movement is the expression of the metamorphosis. But since new use-values are continually produced in the shape of new commodities and must thus be constantly thrown anew into circulation, the process C—M—C is repeatedly renewed by the same commodity owners. The money which they have spent as buyers gets back into their hands as soon as they appear again as vendors of commodities. The constant renewal of the circulation of commodities finds its reflection in the continual circulation over the entire surface of bourgeois society of a quantity of money which, passing from hand to hand, describes at the same time a number of different small cycles starting from numberless points and returning each to its own starting point, to repeat the same movement over again.