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of saving life or averting serious calamities. Those who lend under these wretched governments, do it at the utmost peril of never being paid. In most of the native states of India, the lowest terms on which any one will lend money, even to the government, are such, that if the interest is paid only for a few years, and the principal not at all, the lender is tolerably well indemnified. If the accumulation of principal and compound interest is ultimately compromised at a few shillings in the pound, he has generally made an advantageous bargain.
§ 3. The remuneration of capital in different employments, much more thanl the remuneration of labour, varies according to the circumstances which render one employment more attractive, or more repulsive, than another. The profits, for example, of retail trade, in proportion to the capital employed, exceed those of wholesale dealers or manufacturers, for this reason among others, that there is less consideration attached to the employment. The greatest, however, of these differences, is that caused by difference of risk. The profits of a gunpowder manufacturer must be considerably greater than the average, to make up for the peculiar risks to which he and his property are constantly exposed. When, however, as in the case of marine adventure, the peculiar risks are capable of being, and commonly are, commuted for a fixed payment, the premium of insurance takes its regular place among the charges of production, and the compensation which the owner of the ship or cargo receives for that payment, does not appear in the estimate of his profits, but is included in the replacement of his capital.
The portion, too, of the gross profit, which forms the remuneration for the labour and skill of the dealer or producer, is very different in different employments. This is the explanation always given of the extraordinary rate of apothecaries' profit; the greatest part, as Adam Smith observes, being frequently no more than the reasonable wages of professional attendance; for which, until a late alteration of the law, the apothecary could not demand any remuneration, except in the prices of his drugs. Some occupations require a considerable amount of scientific or technical education, and can  only be carried on by persons who combine with that education a considerable capital. Such is the business of an engineer, both in the original sense of the term, a machine-maker,
1 [" Much-more than " replaced in the 3rd ed.(1852) the " like " of the original text. Cf. supra, book ii. ch. xiv. § 1.]
and in its popular or derivative sense, an undertaker of public works. These are always the most profitable employments. There are cases, again, in which a considerable amount of labour and skill is required to conduct a business necessarily of limited extent. In such cases, a higher than common rate of profit is necessary to yield only the common rate of remuneration. "In a small seaport town," says Adam Smith, "a little grocer will make forty or fifty per cent upon a stock of a single hundred pounds, while a considerable wholesale merchant in the same place will scarce make eight or ten per cent upon a stock of ten thousand. The trade of the grocer maybe necessary for the conveniency of the inhabitants, and the narrowness of the market may not admit the employment of a larger capital in the business. The man, however, must not only live by his trade, but live by it suitably to the qualifications which it requires. Besides possessing a little capital, he must be able to read, write, and account and must be a tolerable judge, too, of perhaps fifty or sixty different sorts of goods, their prices, qualities, and the markets where they are to be had cheapest. Thirty or forty pounds a year cannot be considered as too great a recompense for the labour of a person so accomplished. Deduct this from the seemingly great profits of his capital, and little more will remain, perhaps, than the ordinary profits of stock. The greater part of the apparent profit is, in this case, too, real wages."
All the natural monopolies (meaning thereby those which are created by circumstances, and not by law) which produce or aggravate the disparities in the remuneration of different kinds of labour, operate similarly between different employments of capital. If a business can only be advantageously carried on by a large capital, this in most countries limits so narrowly the class of persons who can enter into the employment, that they are enabled to keep their rate of profit above the general level. A trade may also, from the nature of the case, be confined to so few hands, that profits may admit of being kept up by a combination among the dealers. It is well known that even among so numerous a body as the London booksellers, this sort of combination long continued to exist.1 I have already mentioned the case of the gas and water companies.
§ 4. After due allowance is made for these various causes
_l [So from the 4th ed. (1857). In earlier editions: "this sort of combination exists; though individual interest is often too strong for its rules; nor, indeed, does the combination itself include the whole trade."]
of inequality, namely, differences in the risk or agreeableness of different employments, and natural or artificial monopolies; the rate of profit on capital in all employments tends to an equality. Such is the proposition usually laid down by political economists, and under proper explanations it is true.
That portion of profit which is properly interest, and which forms the remuneration for abstinence, is strictly the same, at the same time and place, whatever be the employment. The rate of interest, on equally good security, does not vary according to the destination of the principal, though it does vary from time to time very much according to the circumstances of the market. There is no employment in which, in the present state of industry, competition is so active and incessant as in the lending and borrowing of money. All persons in business are occasionally, and most of them constantly, borrowers: while all persons not in business, who possess monied property, are lenders. Between these two great bodies there is a numerous, keen, and intelligent class of middlemen, composed of bankers, stockbrokers, discount brokers, and others, alive to the slightest breath of probable gain. The smallest circumstance, or the most transient impression on the public mind, which tends to an increase or diminution of the demand for loans either at the time or prospectively, operates immediately on the rate of interest: and circumstances in the general state of trade, really tending to cause this difference of demand, are continually occurring, sometimes to such an extent, that the rate of interest on the best mercantile bills has been known to vary in little more than a year (even without the occurrence of the great derangement called a commercial crisis) from four, or less, to eight or nine per cent. But, at the same time and place, the rate of interest is the same, to all who can give equally good security. The market rate of interest is at all times a known and definite thing.
It is far otherwise with gross profit; which, though (as will presently be seen) it does not vary much from employment to employment, varies very greatly from individual to individual, and can scarcely be in any two cases the same. It depends on the knowledge, talents, economy, and energy of the capitalist himself, or of the agents whom he employs; on the accidents of personal connexion; and even on chance. Hardly any two dealers in the same trade, even if their commodities are equally good and equally cheap, carry on their business at the same expense, or turn over their capital in the same time. That equal capitals give equal profits, as a general maxim of trade, would be as false as that equal age or size gives equal bodily strength, or that equal reading or experience gives equal knowledge. The effect depends as much upon twenty other things, as upon the single cause specified.
But though profits thus vary, the parity, on the whole, of different modes of employing capital (in the absence of any natural or artificial monopoly) is, in a certain and a very important sense, maintained. On an average (whatever may be the occasional fluctuations) the various employments of capital are on such a footing as to hold out, not equal profits, but equal expectationsl of profit, to persons of average abilities and advantages. By equal, I mean after making compensation for any inferiority in the agreeableness or safety of an employment. If the case were not so; if there were, evidently, and to common experience, more favourable chances of pecuniary success in one business than in others, more persons would engage their capital in the business, or would bring up their sons to it; which in fact always happens when a business, like that of an engineer at present , or like any newly established and prosperous manufacture, is seen to be a growing and thriving one. If, on the contrary, a business is not considered thriving; if the chances of profit in it are thought to be inferior to those in other employments; capital gradually leaves it, or at least new capital is not attracted to it; and by this change in the distribution of capital between the less profitable and the more profitable employments, a sort of balance is restored. The expectations of profit, therefore, in different employments, cannot long continue very different: they tend to a common average, though they are generally oscillating from one side to the other side of the medium.
This equalizing process, commonly described as the transfer of capital from one employment to another, is not necessarily the onerous, slow, and almost impracticable operation which it is very often represented to be. In the first place, it does not always imply the actual removal of capital already embarked in an employment. In a rapidly progressive state of capital, the adjustment often takes place by means of the new accumulations of each year, which direct themselves in preference towards the more thriving trades. Even when a real transfer of capital is necessary, it is by no means implied that any of those who are engaged in the unprofitable employment relinquish business and
1 [Altered from " chances " as late as the 5th ed. (1862).]
break up their establishments. The numerous and multifarious channels of credit, through which, in commercial nations, unemployed capital diffuses itself over the field of employment, flowing over in greater abundance to the lower levels, are the means by which the equalization is accomplished. The process consists in a limitation by one class of dealers or producers, and an extension by the other, of that portion of their business which is carried on with borrowed capital. There is scarcely any dealer or producer on a considerable scale, who confines his business to what can be carried on by his own funds. When trade is good, he not only uses to the utmost his own capital, but employs, in addition, much of the credit which that capital obtains for him. When, either from over-supply or from some slackening in the demand for his commodity, he finds that it sells more slowly or obtains a lower price, he contracts his operations, and does not apply to bankers or other money dealers for a renewal of their advances to the same extent as before. A business which is increasing holds out, on the contrary, a prospect of profitable employment for a larger amount of this floating capital than previously, and those engaged in it become applicants to the money dealers for larger advances, which, from their improving circumstances, they have no difficulty in obtaining. A different distribution of floating capital between two employments has as much effect in restoring their profits to an equilibrium, as if the owners of an equal amount of capital were to abandon the one trade and carry their capital into the other. This easy, and as it were spontaneous, method of accommodating production to demand, is quite sufficient to correct any inequalities arising from the fluctuations of trade, or other causes of ordinary occurrence. In the case of an altogether declining trade, in which it is necessary that the production should be, not occasionally varied, but greatly and permanently diminished, or perhaps stopped altogether, the process of extricating the capital is, no doubt, tardy and difficult, and almost always attended with considerable loss; much of the capital fixed in machinery, buildings, permanent works, &c. being either not applicable to any other purpose, or only applicable after expensive alterations; and time being seldom given for effecting the change in the mode in which it would be effected with least loss, namely, by not replacing the fixed capital as it wears out. There is besides, in totally changing the destination of a capital, so great a sacrifice of established connexion, and of acquired skill and experience, that people are always very slow in