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only called upon to consider what would be the effect of an increase of money, considered by itself. Supposing the money in the hands of individuals to be increased, the wants and inclinations of the community collectively in respect to consumption remaining exactly the same; the increase of demand would reach all things equally, and there would be an universal rise of prices. We might suppose, with Hume, that some morning, every person in the nation should wake and find a gold coin in his pocket : this example, however, would involve an alteration of the proportions in the demand for different commodities; the luxuries of the poor would, in the first instance, be raised in price, in a much greater degree than other things. Let us rather suppose, therefore, that to every pound, or shilling, or penny, in the possession of any one, another pound, shilling, or penny, were suddenly added. There would be an increased money demand, and consequently an increased money value, or price, for things of all sorts. This increased value would do no good to any one; would make no difference, except that of having to reckon pounds, shillings, and pence, in higher numbers. It would be an increase of values only as estimated in money, a thing only wanted to buy other things with ; and would not enable any one to buy more of them than before. Prices would have risen in a certain ratio, and the value of money
would have fallen in the same ratio.
It is to be remarked that this ratio would be precisely that in which the quantity of money had been increased. If the whole money in circulation was doubled, prices would be doubled. If it was only increased one-fourth, prices would rise one-fourth. There would be one-fourth more money, all of which would be used to purchase goods of some description. When there had been time for the increased supply of money to reach all markets, or (according to the conventional metaphor) to permeate all the channels of circulation, all prices would have risen one-fourth. But the general rise of price is independent of this diffusing and equalizing process. Even if some prices were raised more, and others less, the average rise would be one-fourth. This is a necessary consequence of the fact, that a fourth more money would have been given for only the same quantity of goods. General prices, therefore, would in any case be a fourth higher.
The very same effect would be produced on prices if we suppose the goods diminished, instead of the money increased : and the contrary effect if the goods were increased, or the money diminished. If there were less money in the hands of the community, and the same amount of goods to be sold, less money altogether would be given for them, and they would be sold at lower prices; lower, too, in the precise ratio in which the money was diminished. So that the value of money, other things being the same, varies inversely as its quantity; every increase of quantity lowering the value, and every diminution raising it, in a ratio exactly equivalent.
This, it must be observed, is a property peculiar to money. We did not find it to be true of commodities generally, that every diminution of supply raised the value exactly in proportion to the deficiency, or that every increase lowered it in the precise ratio of the excess. Some things are usually affected in a greater ratio than that of the excess or deficiency, others usually in a less: because, in ordinary cases of demand, the desire, being for the thing itself, may be stronger or weaker; and the amount of what people are willing to expend on it, being in any case a limited quantity, may be affected in very unequal degrees by difficulty or facility of attainment, But in the case of money, which is desired as the means of universal purchase, the demand consists of everything which people have to sell; and the only limit to what they are willing to give, is the limit set by their having nothing more to offer. The whole of the goods being in any case exchanged for the whole of the money which comes into the market to be laid out, they will sell for less or more of it exactly according as less or more is brought.
§ 3. From what precedes, it might for a moment be supposed, that all the goods on sale in a country at any one time, are exchanged for all the money existing and in circulation at that same time: or, in other words, that there is always in circulation in a country, a quantity of money equal in value to the whole of the goods then and there on sale. But this would be a complete misapprehension. The money laid out is equal in value to the goods it purchases; but the quantity of money laid out is not the same thing with the quantity in circulation. As the money passes from hand to hand, the same piece of money is laid out many times, before all the things on sale at one time are purchased and finally removed from the market: and each pound or dollar must be counted for as many pounds or dollars, as the number of times it changes hands in order to effect this object. The greater part of the goods must also be counted more than once, not only because most things pass through the hands of several sets of manufacturers and dealers before they assume the form in which they are finally consumed, but because in times of speculation (and all times are so, more or less) the same goods are often bought repeatedly, to be resold for a profit, before they are bought for the purpose of consumption at all.
If we assume the quantity of goods on sale, and the number of times those goods are resold, to be fixed quantities, the value of money will depend upon its quantity, together with the average number of times that each piece changes hands in the process. The whole of the goods sold (counting each resale of the same goods as so much added to the goods) have been exchanged for the whole of the money, multiplied by the number of purchases made on the average by each piece. Consequently, the amount of goods and of transactions being the saine, the value of money is inversely as its quantity multiplied by what is called the rapidity of circulation. And the quantity of money in circulation, is equal to the money value of all the goods sold, divided
by the number which expresses the rapidity of circulation.
The phrase, rapidity of circulation, requires some comment. It must not be understood to mean, the number of purchases made by each piece of money in a given time. Time is not the thing to be considered. The state of society may be such, that each piece of money hardly performs more than one purchase in a year ; but if this arises from the small number of transactions—from the small amount of business done, the want of activity in traffic, or because what traffic there is, mostly takes place by barter-it constitutes no reason why prices should be lower, or the value of money higher. The essential point is, not how often the same money changes hands in a given time, but how often it changes hands in order to perform a given amount of traffic. We must compare the number of purchases made by the money in a given time, not with the time itself, but with the goods sold in that same time. If each piece of money changes hands on an average ten times while goods are sold to the value of a million sterling, it is evident that the money required to circulate those goods is 100,0001. And conversely, if the money in circulation is 100,0001., and each piece changes hands by the purchase of goods ten times in a month, the sales of goods for money which take place every month must amount on the average to 1,000,0001.
Rapidity of circulation being a phrase so ill adapted to express the only thing which it is of any importance to express by it, and having a tendency to confuse the subject by suggesting a meaning extremely different from the one intended, it would be a good thing if the phrase could be got rid of, and another substituted, more directly significant of the idea meant to be conveyed. Some such expression as “the efficiency of money,” though not unexceptionable, would do better; as it would point attention to the quantity of work done, without suggesting the idea of estimating it by time. Until an appropriate term can be devised, we must be content
when ambiguity is to be apprehended, to express the idea by the circumlocution which alone conveys it adequately, namely, the average number of purchases made by each piece in order to effect a given pecuniary amount of transactions,
$ 4. The proposition which we have laid down respecting the dependence of general prices upon the quantity of money in circulation, must be understood as applying only to a state of things in which money, that is, gold or silver, is the exclusive instrument of exchange, and actually passes from hand to hand at every purchase, credit in any of its shapes being unknown. When credit comes into play as a means of purchasing, distinct from money in hand, we shall hereafter find that the connexion between prices and the amount of the circulating medium is much less direct and intimate, and that such connexion as does exist, no longer admits of so simple a mode of expression. But on a subject so full of complexity as that of currency and prices, it is necessary to lay the foundation of our theory in a thorough understanding of the most simple cases, which we shall always find lying as a groundwork or substratum under those wbich arise in practice. That an increase of the quantity of money raises prices, and a diminution lowers them, is the most elementary proposition in the theory of currency, and without it we should have no key to any of the others. In any state of things, however, except the simple and primitive one which we have supposed, the proposition is only true other things being the same: and what those other things are, which must be the same, we are not yet ready to pronounce. We can, however, point out, even now, one or two of the cautions with which the principle must be guarded in attempting to make use of it for the practical explanation of phenomena ; cautions the more indispensable, as the doctrine, though a scientific truth, has of late years been the foundation of a greater mass of false theory, and erroneous interpretation of