Page:Contribution to the Critique of Political Economy, A - Karl Marx.djvu/114

Rh enter the process of exchange with a definite price or that they appear to each other in that process in a double capacity, really as use-values, ideally—in price—as exchange values.

The liveliest streets of London are crowded with stores who?e show windows are filled with the riches of the world, Indian shawls, American revolvers, Chinese porcelain, Parisian corsets, Russian furs and tropical spices, but all of these things of joy bear fatal white labels marked with Arabian figures with the laconic characters £, s., d. Such is the picture of the commodity appearing in circulation.

On close examination the process of circulation is seen to consist of two distinct cycles. If we denote commodity by the letter C and money by the letter M we can express these two forms as follows:

C—M—C

M—C—M.

In this chapter we are interested exclusively in the first form, i, e., in the form which serves as the direct expression of the circulation of commodities.

The process C—M—C consists of the movement C—M, the exchange of the commodity for money, or selling; the opposite movement M—C, exchange of money for a commodity, or buying; and of the unity of the two movements C—M—C, exchange of the commodity for money in order to exchange the money for a commodity, or selling in order to buy. But the result which marks the end of the process is C—C, exchange