In consequence of these views, it has been customary to judge of the general rate of profits at any time or place, by the rate of interest at that time and place: it being supposed that the rate of interest, though liable to temporary fluctuations, can never vary for any long period of time unless profits vary; a notion which appears to us to be erroneous.
It was observed by Adam Smith, that profits may be considered as divided into two parts, of which one may properly be considered as the remuneration for the use of the capital itself, the other as the reward of the labour of superintending its employment; and that the former of these will correspond with the rate of interest. The producer who borrows capital to employ it in his business, will consent to pay, for the use of it, all that remains of the profits he can make by it, after reserving what he considers reasonable remuneration for the trouble and risk which he incurs by borrowing and employing it.
This remark is just; but it seems necessary to give greater precision to the ideas which it involves.
The difference between the profit which can be made by the use of capital, and the interest which will be paid for it, is rightly characterized as wages of superintendance. But to infer from this that it is regulated by entirely the same principles as other wages, would be to push the analogy too far. It is wages, but wages paid by a commission upon the capital employed. If the general rate of profit is 10 per cent, and the rate of interest 5 per cent, the wages of superintendance will be 5 per cent; and though one borrower employ a capital of 100,000l., another no more than 100l., the labour of both will be rewarded with the same per centage, though, in the one ease, this symbol will represent an income of 5l., in the other case, of 5000l. Yet it cannot be pretended that the labour of the two borrowers differs in this proportion. The rule, therefore, that equal quantities of labour of equal hardness and skill are equally remunerated, does not hold of this kind of labour. The wages of any other labour are here an inapplicable criterion.
The wages of superintendance are distinguished from ordinary wages by another peculiarity, that they are not paid in advance out of capital, like the wages of all other labourers, but merge in the profit, and are not realized until the production is completed. This takes them entirely out of the ordinary law of wages. The wages of labourers who are paid in advance, are regulated by the number of competitors compared with the amount of capital; the labourers can consume no more than what has been previously accumulated. But there is no such limit to the remuneration of a kind of labour which is not paid for out of wealth previously accumulated, but out of that produce which it is itself employed in calling into existence.
When these circumstances are duly weighed, it will be perceived, that although profit may be correctly analyzed into interest and wages of superintendance, we ought not to lay it down as the law of interest, that it is profits minus the wages of superintendance. Of the two expressions, it would be decidedly the more correct, that the wages of superintendance are regulated by the rate of interest, or are equal to profits minus interest. In strict, propriety, neither expression would be allowable. Interest, and the wages of superintendance, can scarcely be said to depend upon one another. They are to one another in the same relation as wages and profits are. They are like two buckets in a well: when one rises, the other descends, but neither of the two motions is the cause of the other; both are simultaneous effects of the same cause, the turning of the windlass.
There are among the capitalists of every country a considerable number who are habitually, and almost necessarily, lenders; to whom scarcely any difference between what they could receive for their money and what could be made by it, would be an equivalent for incurring the risk and labour of carrying on business. In this predicament is the property of widows and orphans; of many public bodies; of charitable institutions; most property which is vested in trustees; and the property of a great number of persons unused to business, and who have a distaste for it, or whose other occupations prevent their engaging in it. How large a proportion of the property lent to the nation comes under this description, has been pointed out in Mr. Tooke's Considerations on the State of the Currency.
There is another large class, consisting of bankers, bill-brokers, and others, who are money-lenders by profession; who enter into that profession with the intention of making such gains as it will yield them, and who would not be induced to change their business by any but a very strong pecuniary inducement.
There is, therefore, a large class of persons who are habitually lenders. On the other hand, all persons in business may be considered as habitually borrowers. Except in times of stagnation, they are all desirous of extending their business beyond their own capital, and are never desirous of lending any portion of their capital except for very short periods, during which they cannot advantageously invest it in their own trade.