Prices.

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Section C.

Prices In General.

The price of a commodity is its value in exchange expressed in the quantum of some other definite commodity, against which it is exchanged or to be exchanged. Hence, it is possible for any commodity to have as many different prices as there are other kinds of commodities with which it may be compared.597 But whenever price is spoken of, we think only of a comparison of the commodity whose value is to be estimated, with the commodity which, at that time and place, is most current and has the greatest capacity for circulation. (Money.)598 When two commodities have changed their price-relation to each other, it is not possible, from the simple fact of such change of relation, to determine on which side the change has taken place. If we find that a commodity A stands to all other commodities, C, D, E etc., in the same relation as to price as [pg 304] before, while commodity B, compared with the same, has changed its place in the scale of prices, we may infer that B, and not A, has left its former position.599

The words costly and dear, as contradistinguished from common and cheap, both indicate a high price. We, however, call a commodity costly whose price, compared with that of other similar commodities, is high. On the other hand, we call a commodity dear when we compare it with itself, and with its own average price in other places and at other times.600

In individual cases, the price of a commodity is determined most usually, and at the same time most superficially, by custom; people ask and pay for a commodity what others have asked and paid for it. If we go deeper and inquire what originated this customary price and may continually change it, we come to the struggle of interests between buyers and sellers. And if science would analyze the ultimate elements of the incentives to this struggle and the forces engaged in it, it is necessary that it should keep in view the entire economy of the nation, and even all national life.

Section CI.

Effect Of The Struggle Of Opposing Interests On Price.

No where in the public economy of a people are the workings of self-interest so apparent as in the determination of prices. When the price of a commodity is once fixed by the conflict of opposing interests,601 the self-seeking of every individual dictates that he should thereby gain as much as possible [pg 305] of the goods of others, and lose as little as possible of his own. In this struggle, the victory is generally to the stronger, and the price is higher or lower, according to the superiority of the buyer or seller.602 But who, in such case, is the stronger? Political or physical superiority can turn the balance one way or another only in very barbarous times, and especially in times when legal security is small.603 As a rule, it is the party in whom the desire of holding on to his own commodities is strongest, and who is least moved by the want of the wares of others. As in every conflict, confidence in self, sometimes even unbounded confidence in self, is an important element of success. A party to a contract of sale or barter, who considers his immediate position decidedly stronger than that of the other party, will scarcely depart from his demands. Hence it is, that in exchange, one party so frequently holds back until the other has expressed his terms.604 How different is the [pg 306] price of the same pieces of land which a new railroad enterprise is compelled to pay and the prices it would get for them, from the adjoining owners, in case of the dissolution of the company.

But the struggle to raise prices or to lower them, which is always going on, undergoes modifications of every description among all really commercial nations, partly through the influence of the public conscience, which brands as inhuman and blameworthy the spoilation of the opposing party by acts which the laws do not reach. And this consideration by the public conscience is all the more severe in proportion as real competition in the article sold is wanting.605 But the chief modification in this struggle is produced by the fact, that where civilization has advanced farthest, every commodity is offered for sale by a great many and wanted by a great many.606 As soon as several seek the same object, there naturally results a rivalry among them, which induces each to attain the desired end, even by the making of greater sacrifices than others. [pg 307] The greater the supply of a commodity is, as compared with the demand for it, the lower is its price; the greater the demand as compared with the supply, the higher it is. And, indeed, there is question here, not only of the mass of things supplied or demanded, but also of the intensity of the supply and demand.607

If the exchange-force of both contractants be equal, or, in other words, if both, with equal knowledge, are interested in the completion of the exchange, there results from this attitude of the parties toward each other, what is called an equitable, or average price, in which both meet with their deserts. Here each is a gainer, since each has parted with the commodity which was less necessary to him, and received in exchange the commodity which was more necessary to him. Looked at, however, from the stand-point, not simply of a nation's but of the world's economy, the value given and the value received are equal.608609

[pg 308]

As a rule, the price-relation of two commodities is determined by this relation of demand and supply,—by the desire to possess and the difficulty of obtaining them. We must, therefore, examine on what deeper relations supply and demand themselves depend.610 In the case of the purchaser, the [pg 309] value in use of the commodity and his own ability to pay constitute the maximum limit of its price, which price may, however, be modified by the cost of producing it611 elsewhere or at another time. In the case of the seller, the cost of production is the minimum limit, which may, however, be extended by the cost of procuring the commodity by the purchaser at another time or place.612

Section CII.

Demand.

The purchaser in his demand is wont to consider principally the value in use of a commodity, according as it, in a higher or lower degree, ministers to a necessary want, to a decency or to a luxury. The difference of opinion as to which of these categories any given want belongs depends not only on the nature of the country and the customs of its people, but, for the most part, also, on the prejudices of class and on personal individuality.613 A reasonable man will employ only the [pg 310] surplus of the first class in the satisfaction of wants of the second, and again only the surplus of the second in the satisfaction of wants of the third.614

If the value in use of a commodity rises or falls, and surrounding circumstances remain unchanged, its price also rises or falls.615616

[pg 311]

Section CIII.

Demand.—Indispensable Goods.

When the supply of articles of luxury diminishes, the price of them, it is true, rises. But as now there is a number of purchasers no longer able to pay for them, the demand for them also decreases, and their price, as a consequence, rises in a less degree than might be inferred from the amount and condition of the supply merely. And so, on the other hand, an increase of the supply which lowers the price is wont, in the case of pleasures capable of a wide extension, such as are ministered to by fine roots, vegetables, etc., to produce an increase of the demand, and this operates to arrest the falling price.

It is quite otherwise, in the case of indispensable goods, as for instance, wheat. When there is a want of such an article, men prefer to dispense with all other articles, to some extent, rather than to practice frugality in bread; and all the more, as bread is not so much used as consumed rapidly, while clothes and metallic articles last a long time. And even after an over-abundant harvest, leaving voluntary waste out of the question, consumption is increased by a finer separating of the flour, an increase in the amount of corn fed to cattle, and the distillation of spirits. Hence, demand and supply by no means run in parallel lines at every moment; and indispensable articles tend to greater perturbations in price than those which can be dispensed with.617618 The price of grain, especially, varies in a ratio [pg 312] very different from the inverse ratio of the amount of the harvest;619 although a formula therefor expressed in figures, like that of Gregory King, can never be applicable universally.620 Farmers must everywhere and always withhold a certain amount of their harvest for seed, for home use etc., from the market. Only absolute necessity can induce them to draw on the quantity thus laid by. But the ratio of this part to the whole is very different in different countries.621 In the higher stages of civilization, where payment in money has taken the place of payment in produce, and all other kinds of payment, and where the cultivator of the ground pays the wages of his [pg 313] laborers almost exclusively in money, so that they, like all others, purchase what bread they require in the market; a given deficit in the harvest must be spread over a much larger market supply; and prices, therefore, remain much less affected than in the lower stages of civilization.622 And so, it is clear that a like bad harvest must affect prices very differently, if there be a large importation or exportation of the means of subsistence, and if several bad harvests, or several harvests yielding more than the average have preceded.

In another respect yet, the price of indispensable commodities is very sensitive, because here the mere fear of a future want of them has a far deeper and wider influence, than has the fear of want of articles of luxury. No matter how good the wheat crop may have been, if the weather afterwards interferes with its harvesting, the price of wheat, in countries in which the spirit of speculation is on the alert, will certainly rise, because the prospect of the future crop then becomes somewhat doubtful.623

Section CIV.

Influence Of Purchaser's Solvability On Prices.

The purchaser, besides the value in use of the goods he desires to buy, considers his own solvability (ZahlungsfÄhigkeit = ability to pay). It is only solvent demand which can influence prices.624 For instance, among a people made up almost entirely [pg 314] of proletarians, there will be a great many cases of starvation and death after a bad harvest, but the price of corn will undergo only a slight increase.625 But where the greater number of inhabitants own property, and where the wealthy come to the help of the poorer classes by means of poor-rates and acts of benevolence, it is scarcely possible to assign limits to the increase of the price of corn. By a necessary connection, when indispensable articles grow dear, the demand for articles that can be dispensed with generally decreases, and vice versa.626 Every merchant, engaged in an extensive business, is interested in knowing in advance the results of the corn crop. The higher the price of a commodity rises, the narrower, of course, grows the circle of those who can pay for it.627628

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Section CVI.

The Cost Of Production.

As no one is willing to lose anything, every seller will consider what his goods have cost him, and the cost of producing or procuring them as the minimum price to be asked for them.630 At the same time, the idea covered by the expression [pg 316] cost of production, although it always embraces whatever disappears from the resources of the producer to enter into production, varies very much according as it is considered from the point of view of the individual's, the nation's or the world's economy.

An individual who pays taxes to his government, and who has rented land and employed labor and capital to engage in production, must indeed, besides the capital he has used in such production, call all his outlay in interest, wages, rent, and taxes, by the name of cost of production;631 since, unless they all come back to him in the price of the commodity, the entire enterprise can only injure him.632 He will, of course, add an equitable profit to remunerate him for his enterprise, since without such profit, he would not be able to live or produce; or else, he would be compelled to consume his capital. The moment the current rates of taxation, interest, wages and rent change in a country, the cost of production is also changed in the case of the individual engaged in production, however unaltered the technic process may remain.633 But taking the [pg 317] nation, or all mankind into consideration, we must not lose sight of the fact that these three great sources of income, as well as taxation, are not, rightly speaking, sources from which income flows, but rather channels through which the aggregate income of the nation or the world is distributed among individuals.634 Hence the wages of labor, for instance, which afford the means of living to the greater part of the population, cannot possibly be looked upon simply as a factor in economic production. The people considered in their entirety have the soil gratis. All saving made from rent, interest on capital, or wages, is nothing but a change of the proportion in which the results of production were distributed hitherto among coÖperators in production. Such a change may be either advantageous or the reverse; but it is not a diminution of the amount of sacrifice which the people in general must make for purposes of production. Hence, in a politico-economical sense, to the cost of production, belongs only the capital necessarily expended in production, and which has disappeared as a part of the nation's resources, abstraction made of the personal sacrifices in behalf of production.635 The value of the circulating capital which in the process is entirely used up, must, [pg 318] of course, be entirely restored in the price, that of the fixed capital used only to the extent that it has been used.636

The risk, which the producer runs until the commodity produced is actually consumed must also be borne in mind.637 There are things which are a real risk in small enterprises that by the intervention of an insurance company, or where the enterprises are large and insure themselves, become a more or less variable portion of the cost of production. The price of the product, in the latter instance, rises, by this means, very regularly. In the former case, the rise depends partly on the feeling of the people whether their pleasure in gain is greater than their grief over a corresponding loss.638

Those enterprises which necessarily produce different products at the same time deserve special consideration.639 Here we may speak of united costs of production,” and all that is needed is that the aggregate of these costs should be covered by the aggregate price of both products. This complicates to a certain extent the calculations which the seller must make to determine his minimum demand for each product. To ascertain this, he must subtract from the united costs of production the amount of value which he expects with certainty for the other product.640

[pg 319]

Section CVII.

Equilibrium Of Prices.

Goods whose cost of reproduction,641 that is, the highest necessary cost of reproduction is the same, have uniformly the same value in exchange. Every deviation from this level immediately sets forces in motion which endeavor to restore the level, just as the water of the sea seeks its level, notwithstanding the mountains and abysses which the winds bring forth from its bosom.642643

[pg 320]

Section CVIII.

Effect Of A Rise Of Price Much Above Cost.

If the market price rises high above the cost of production, producers make a profit greater than the average profit made in the country. This induces them, by the appropriation of new land and the employment of new labor and capital, to increase their business. Other parties also engage in this profitable department of trade. This competition not only makes the means of production dearer, but must eventually, by increasing the demand, reduce the price of the product to the ordinary level of profit, that is to an equilibrium with other commodities.644 Hence, in the beginning, every diminution of [pg 321] the cost of production645 turns to the advantage of the producer; but afterwards and permanently to that of the consumers: an economic law exceedingly beneficent in its operations, and not unlike the action of positive legislation in the matter of patents. There is no greater stimulus to the making of improvements than the certainty of reward to the person who first introduces one. The moment, however, that the improvement is imitated by all producers, the advantage gained by it becomes the common good of the whole nation.646 These are, as J. B. Say says, conquests made over the gratuitous productive force of nature. As a consequence, the value in use of a people's resources increases; generally, also, their value in exchange, in so far as the production of the now cheaper goods increases in a degree greater than their cost of production has diminished.647

As to the alternative so frequently discussed, whether it is preferable to make a large percentage of profit on the sale of a small quantity of goods, or a small percentage on a large quantity, we find that, in the lower stages of civilization, the [pg 322] former is preferred, and the latter in the higher.648 And, indeed, the latter is not only more humane, but, in the long run, it is more profitable to the person who adopts it as his rule in business. In the case of commodities, he now runs but little risk from a change of fashion, because the fashions of the masses change much less rapidly than those of the upper circles of society. In the case of indispensable goods, on the other hand, he may now calculate with more certainty on the increase of population, and, therefore, on a future market for his wares. Competition, which in former times, devoted all its efforts to bringing about the exclusion, by law, of all rivals, is now engaged, principally, in devising means of surpassing them by superiority of workmanship, and in thus increasing the power of the real sources of a nation's wealth.

[pg 323]

Section CIX.

Effect Of A Decline Of Price Below Cost.

If the market price sinks below the cost of production, the producer naturally suffers a loss, and diminishes his stock as soon as possible. That whole establishments engaged in industry should forsake a branch of it which is suffering from depression and enter a flourishing one, must ever remain a rare exception.649 But the discouraged manufacturer may delay renewing his stock on hand,650 replacing his machinery by new machinery; he may dismiss some of his workmen and diminish the number of days during which the others shall work. Moreover, most industries are operated by means of borrowed capital, capital which must therefore, be returned to the lender. Under certain circumstances, however, the industry may be continued for some time, even at a real loss,651 so long as the loss of interest etc., which would follow the entire suspension of the work, exceeds the loss produced by the lowering [pg 324] of price, but hardly any longer. If the supply of the commodity the price of which has fallen has been diminished, the subsequent result depends on the causes which, in the first place, brought about the fall in price. If the diminution in price was caused solely by a too great supply, when this superabundant supply is gotten rid of, the price will rise again.652 If it were produced by a decrease in the value in use of the commodity, the diminution of the supply can restore the former state of things only in so far as at least a part of the purchasers ascribe to the commodity the same value in use as before.653 Lastly, if the lowering of the price came from a decrease in the number of buyers, or from a decrease in their ability to purchase, the former price will be restored when production has been adapted to a correspondingly smaller circle of consumers.654 This last is true especially when the price, without having suffered any absolute change, has become relatively too low, on account of an increase in the cost of production.655

[pg 325]

Chapter CX.

Different Cost Of Production Of The Same Goods.

Most goods are produced at the same time, but under different circumstances, at a very different cost. In order to estimate the influence of this fact upon price, we must distinguish between those commodities the cheapest manner of the production of which may be extended at pleasure, and those in the production of which it is necessary, in order to satisfy the aggregate want of them, to call in the dearest mode of production to aid the cheapest.

In the former instance, the price of commodities is naturally regulated by the least cost of production. The person who is unable to sustain this competition permanently, would do a great deal better to abandon the industry altogether; for it is not in his power to raise the price by diminishing the supply; more powerful rivals would then only need to correspondingly increase theirs.656

If the same law were applicable, in the latter case, producers [pg 326] placed in a less favorable situation would be compelled to immediately abandon the market. The market, in consequence, would no longer be able to provide for the aggregate need; and the price of the commodity would continue to rise until the producers who had been driven from the market returned to it again. Hence, here, price in the long run is determined by the cost of the production of the commodity, produced under the least advantageous conditions, while such production is necessary in order to satisfy the aggregate need. The person engaged in production under more advantageous conditions receives in the same price of the goods, which are cheaper to him, an excess of profit; one which is greater in proportion as his situation, vis-a-vis of production, is superior to that of his less favored competitors.657658

[pg 327]

Section CXI.

Different Cost Of Production Of The Same Goods. (Continued.)

Hence the price of a commodity and the ratio between its supply and demand mutually condition each other. On the height of the price depends, in great part, how many purchasers shall resolve to make an effectual demand; but, at the same time, to what amount of cost of production, sellers shall extend their supply.659 We can speak of an equilibrium between supply and demand only when the former corresponds with the wish of those who are ready to make good the full cost of production. (Malthus.) It has been asked, indeed, whether it were more natural and better that demand should precede supply or supply demand.660 But the inquiry is an illogical one, when expressed in so general a manner, since supply and [pg 328] demand are only two sides of the same transaction. But, we may say that in the case of indispensable goods, the want of them (demand) is always felt sooner than the excess of them (supply), and that in the case of goods which may be dispensed with, including, originally, money, the reverse is true. Besides, a person engaging in the production of any kind of goods, can, as a rule, only seldom directly investigate the relation between supply and demand. Generally, he can do no more than compare the market price of the commodity with the cost at which he can produce it. Many mistakes are inevitable here; but the making of them is the necessary sacrifice which must be endured to purchase the more than counterbalancing advantages of free competition.661

Section CXII.

Exceptions.

The rule that goods which have the same cost of production have also equal value in exchange, is applicable only to the extent that it is possible to transfer the factors of production at will from one branch of production to another. Where this really free competition does not exist, the price depends entirely on the quantity of the supply, compared with the solvability or capacity to pay of the purchaser; and hence, it may sometimes rise far above the cost of production (monopoly-price), and sometimes sink far below it (forced price, or under-price).662 Such hindrances to competition depend, in part, [pg 329] upon natural causes. Thus, in the case of the works of art of a deceased artist, which cannot be increased in number;663 or in that of living celebrities who cannot extend their mental activity in the same degree that their reputation has grown. So, also, in the case of precious stones, which are sometimes found free, and therefore cost nothing, but which, at the same time, have a high price.664 Many valuable agricultural products are, together with their production, limited to a definite and sometimes very small district.665 It is to be regarded as a modification of such natural monopolies when substitutes for a kind of goods which diminish, at least in part, the demand for them, are found, at a cheaper price; for instance, ordinary table-wines in the stead of fine wines. The rule applies much more strictly to those goods which, on account of their greater quantity, can replace inferior ones,666 than it does to those where this is not possible.

[pg 330]

The principal cause of forced or under-prices (Schleuderpreise) is the facility with which the product deteriorates, and must, therefore, find a quick sale, especially when its storage or transportation is attended by further difficulties.667 But, very durable commodities are also subject to under-prices, and especially those which last longest, because the supply of them can be diminished only very slowly. Thus, for instance, houses, in a declining city. Distress-prices are found most usually in the case of such commodities as are produced without any intention to produce them, as for instance, rags and excrementitious substances. The more the mere forces of nature preponderate in production, the less can the supply be increased or decreased at pleasure, the more frequently, as a consequence, do we find monopoly-prices and under-prices. (Compare § 131 ff.) Thus the production of wheat is invariably connected with the order of the seasons. Between seed-time and harvest, there are a number of months which neither capital nor skill can shorten to any extent. The cultivation of land, to be very much greater and more lasting, supposes so many conditions precedent, increase of live stock, buildings etc., that it can be attained only after a series of years. Hence it happens that wheat, much more than manufactured products, is subject to oppressively high prices and oppressively low ones, during a long period of time. No matter what the influence of the forces operating in the opposite direction may be, the [pg 331] price of wheat depends most largely on the result of the last crop.668

Section CXIII.

Exceptions. (Continued.)

Other impediments in the way of freedom of competition have their origin in social conditions. The rule governing prices applies only where the vendor and purchaser are equally ready to exchange. But in every case in which the producer carries on his business, not for the sake of free gain, but simply to obtain a means of livelihood, it may be subject to many important exceptions.669 The richer a seller is, the longer can he wait for a favorable opportunity to sell. Thus, for instance, wheat is somewhat lower in price at times when payments are universally made than at other seasons of the year, because a great many country people are then compelled to sell. Where the country population are universally needy, it sinks after a harvest to an unusually low figure, and in spring rises again very high.

Sometimes price is affected by the agreements of the purchaser or seller, but most readily by those of middlemen between [pg 332] consumer and producer.670 Customs peculiar to whole classes may exert the same influence, and such customs are especially powerful in the lower stages of business and industrial development. They, even at the present time, take the place, frequently, of freedom of competition in retail business, in the book business, and in the determination of lawyers' and doctors' fees, as well as in the distribution of a nation's income among the three great branches of its general economy,671 deciding, instead of competition, how much shall go to each. Wherever there are guilds, communities, castes etc. with legal privileges; wherever there are difficulties placed in the way of exportation and importation; wherever preËmption rights or monopolies,672 in the strict sense of the word, exist, the leveling ebb and flow of the elements of production may be still more seriously interfered with. Legislation673 of this sort injures the non-privileged portion of the population more than it helps the privileged portion. (See § 97.)674

The word usury, so arbitrarily used in every-day language, should be admitted in science only to designate a famine-price, fraudulently and intentionally caused or intensified.

[pg 333]

Section CXIV.

Prices Fixed By Government.

No power can, of course, fix the price of a commodity in the long run, which cannot at the same time fix the relation of supply and demand. Hence, set prices fixed by governmental authority can be made to play a part in practice only in so far as they do not establish a price in opposition to the real state of things, only to the extent that they give undoubted expression to it in a manner in harmony with natural conditions. With this restriction, set or fixed prices may, in the absence of real competition, which can always best determine prices, be useful to both parties; otherwise one party would at one time, and the other at another, profit by an unjust advantage; but it would not be long before both would suffer from the perturbation caused thereby in all commercial transactions. How pleasant it is for a traveler in Switzerland, or even in Italy, to find set prices established there.675 Especially where competition is prevented by state privileges, the establishment of set prices by the state for the protection of the public may be necessary.676 It is more difficult to fix a [pg 334] set price for a commodity in proportion to its complexity and to its variableness in quality; and where there are different grades of quality of the same commodity, and the transition from one grade to another is almost imperceptible, such price is easily evaded.677 In the case of every enterprise carried on [pg 335] by many in common, where no competition is possible, it is necessary to supply the defect by means similar to the establishment of fixed prices; as in the case of government, by fees for governmental services, and the coÖperation of a chamber of deputies in the imposition of taxes and the determination of official salaries etc.678

Section CXV.

Influence Of Growing Civilization On Prices.

On the whole, prices become more and more regular as national-economic civilization advances. Progress in civilization tends to bring the parties engaged in the struggle for prices that is buyers and sellers, nearer to one another, in so far as it uniformly decreases the cost of production, and increases the purchaser's ability to pay.679 (See § 101.) The more universal division of labor makes commercial intercourse more necessary to every one, at the same time that it makes it more of a habit to him; and hence exchange ceases more and more to be a matter of caprice or chance. The better means of transportation and communication render it easier, in every way, for supply and demand to meet. With the advance of general enlightenment and education, an acquaintance with commodities also becomes more general, and every purchaser is on a better way to be able to estimate the cost of production which the seller has to bear. Hence, fraudulent prices and prices founded [pg 336] in error become less frequent; and all this is helped forward by the greater accuracy of weights and measures. The increase of population makes competition more active in all branches of trade, while at the same time, with the greater freedom of circulation, a number of causes which previously operated to produce very high prices in one place and very low ones in another are removed.680 But especially, the growth of a distinct class of merchants leads to a uniformity in price. This class are incited by their own interest to purchase at low prices and sell at high prices. Thus, their competition in the former case raises prices, and lowers them in the latter.681 In all lower stages of civilization, the custom of making offers and beating down in price plays a great part, while where culture is higher, the system of fixed prices (but not by government) gains ground continually. Here Turgot's principle is applicable, viz.: that the current price of an article is tacitly understood when one asks a merchant the price of his wares.682

[pg 337]

This proposition is true in the case of individuals, as well as of classes and of whole nations.683 It is plain, that under a system of fixed prices we can more certainly discover what the equitable price is, than in the heat of higgling which besides consumes a great deal of precious time. Lastly, one of the principal requisites of a well developed scale of prices is national honor, and this, doubtless, increases in the higher stages of civilization, not only because of the greater moral culture which [pg 338] then prevails, but also and especially because that which constitutes a people's real and best interests is better understood.684 Among declining nations, many of these developments take a retrogressive road. The very great distinction between rich and poor, between educated and uneducated, again produces great fluctuations in price. A proletarian people who have sunk so low as to live on potatoes will suffer much more from variations in price and of the means of subsistence than a people who live on wheat; for the reason that it is so difficult to export or to preserve685 potatoes. Nor can it be doubted, that the greatest possible constancy of prices is the most beneficial condition that the general economy of a people can be in. Where prices change while the cost of production remains the [pg 339] same, one person can only gain what the other has lost. But such unmerited gains and undeserved losses have an invariable tendency to destroy the deepest roots of a people's economic activity; and intentional speculation based upon such change usually assumes an immoral character. (Stock-jobbing.)686 Even if Macleod be right, that an increase or decrease in prices is to be regarded as a warning of excess, the former of excess of consumption, the latter of production, no one will doubt that it is the interest of every organism to confine pain within the smallest possible limits, even if its consequences are so beneficial to the preservation of the whole body.

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