machinery, and raises that of things made by hand; and every rise of profits does the reverse.
§ 2.Such is the general theory of Exchange Value. It is necessary, however, to remark that this theory contemplates a system of production carried on by capitalists for profit, and not by labourers for subsistence. In proportion as we admit this last supposition—and in most countries we must admit it, at least in respect of agricultural produce, to a very great extent such of the preceding theorems as relate to the dependence of value on cost of production will require modification. Those theorems are all grounded on the supposition, that the producer's object and aim is to derive a profit from his capital. This granted, it follows that he must sell his commodity at the price which will afford the ordinary rate of profit, that is to say, it must exchange for other commodities at its cost value. But the peasant proprietor, the metayer, and even the peasant-farmer or allotment-holder—the labourer, under whatever name, producing on his own account—is seeking, not an investment for his little capital, but an advantageous employment for his time and labour. His disbursements, beyond his own maintenance and that of his family, are so small, that nearly the whole proceeds of the sale of the produce are wages of labour. When he and his family have been fed from the produce of the farm (and perhaps clothed with materials grown thereon, and manufactured in the family) he may, in respect of the supplementary remuneration derived from the sale of the surplus produce, be compared to those labourers who, deriving their subsistence from an independent source, can afford to sell their labour at any price which is to their minds worth the exertion. A peasant, who supports himself and his family with one portion of his produce, will often sell the remainder very much below what would be its cost value to the capitalist.
There is, however, even in this case, a minimum, or
