Essays on some unsettled Questions of Political Economy by John Stuart Mill

Author:John Stuart Mill [Mill, John Stuart]
Language: eng
Format: epub
Published: 2004-03-31T16:00:00+00:00

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ESSAY IV.

ON PROFITS, AND INTEREST.

The profits of stock are the surplus which remains to the capitalist after replacing his capital: and the ratio which that surplus bears to the capital itself, is the rate of profit.

This being the definition of profits, it might seem natural to adopt, as a sufficient theory in regard to the rate of profit, that it depends upon the productive power of capital. Some countries are favoured beyond others, either by nature or art, in the means of production. If the powers of the soil, or of machinery, enable capital to produce what is necessary for replacing itself, and twenty per cent more, profits will be twenty per cent; and so on.

This, accordingly, is a popular mode of speaking on the subject of profits; but it has only the semblance, not the reality, of an explanation. The "productive power of capital," though a common, and, for some purposes, a convenient expression, is a delusive one. Capital, strictly speaking, has no productive power. The only productive power is that of labour; assisted, no doubt, by tools, and acting upon materials. That portion of capital which consists of tools and materials, may be said, perhaps, without any great impropriety, to have a productive power, because they contribute, along with labour, to the accomplishment of production. But that portion of capital which consists of wages, has no productive power of its own. Wages have no productive power; they are the price of a productive power. Wages do not contribute, along with labour, to the production of commodities, no more than the price of tools contributes along with the tools themselves. If labour could be had without purchase, wages might be dispensed with. That portion of capital which is expended in the wages of labour, is only the means by which the capitalist procures to himself, in the way of purchase, the use of that labour in which the power of production really resides.

The proper view of capital is, that anything whatever, which a person possesses, constitutes his capital, provided he is able, and intends, to employ it, not in consumption for the purpose of enjoyment, but in possessing himself of the means of production, with the intention of employing those means productively. Now the means of production are labour, implements, and materials. The only productive power which anywhere exists, is the productive power of labour, implements, and materials.

We need not, on this account, altogether proscribe the expression, "productive power of capital;" but we should carefully note, that it can only mean the quantity of real productive power which the capitalist, by means of his capital, can command. This may change, though the productive power of labour remains the same. Wages, for example, may rise; and then, although all the circumstances of production remain exactly as they were before, the same capital will yield a less return, because it will set in motion a less quantity of productive labour.

We may, therefore, consider the capital of a producer as

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