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through the windings and entanglements of complex international transactions.

§ 2. “When the trade is established between the two countries, the two commodities will exchange for each other at the same rate of interchange in both countries—bating the cost of carriage, of which, for the present, it will be more convenient to omit the consideration. Supposing, therefore, for the sake of argument, that the carriage of the commodities from one country to the other could be effected without labour and without cost, no sooner would the trade be opened than the value of the two commodities, estimated in each other, would come to a level in both countries.

“Suppose that 10 yards of broadcloth cost in England as much labour as 15 yards of linen, and in Germany as much as 20.” In common with most of my predecessors, I find it advisable, in these intricate investigations, to give distinctness and fixity to the conception by numerical examples. These examples must sometimes, as in the present case, be purely supposititious. I should have preferred real ones; but all that is essential is that the numbers should be such as admit of being easily followed through the subsequent combinations into which they enter.

This supposition then being made, it would be the interest of England to import linen from Germany, and of Germany to import cloth from England. “When each country produced both commodities for itself, 10 yards of cloth exchanged for 15 yards of linen in England, and for 20 in Germany. They will now exchange for the same number of yards of linen in both. For what number 2 If for 15 yards, England will be just as she was, and Germany will gain all. If for 20 yards, Germany will be as before, and England will derive the whole of the Wenefit. If for any number intermediate between 15 and 20, the advantage will be shared between the two countries." If, for example, 10 yards of cloth exchange for 18 oflin), England will gain an advantage of 3 yards on every 15, Germany will save 2 out of every 20. The problem is, what are the causes which determine the proportion in which the cloth of England and the linen of Germany will exchange for each other. “As exchange value, in this case as in every other, is proverbially fluctuating, it does not matter what we suppose it to be when we begin: we shall soon see whether there be any fixed point about which it oscillates, which it has a tendency always to approach to, and to remain at. Let us suppose, then, that by the effect of what Adam Smith calls the higgling of the market, 10 yards of cloth, in both countries, exchange for 17 yards of linen. “The demand for a commodity, that is, the quantity of it which can find a purchaser, varies, as we have before remarked, according to the price. In Germany the price of 10 yards of cloth is now 17 yards of linen, or whatever quantity of money is equivalent in Germany to 17 yards of linen. Now, that being the price, there is some particular number of yards of cloth, which will be in demand, or will find purchasers, at that price. There is some given quantity of cloth, more than which could not be disposed of at that price; less than which, at that price, would not fully satisfy the demand. Let us suppose this quantity to be 1000 times 10 yards. “Let us now turn our attention to England. There the price of 17 yards of linen is 10 yards of cloth, or what... ever quantity of money is equivalent in England to 10 yards of cloth. There is some particular number of yards of linen which, at that price, will exactly satisfy the demand, and no more. Let us suppose that this number is 1000 times 17 yards. “As 17 yards of linen are to 10 yards of cloth, so are 1000 times 17 yards to 1000 times 10 yards. At the existing exchange value, the linen which England requires will exactly pay for the quantity of cloth which, on the same terms of interchange, Gérmany requires. The demand on each side is precisely sufficient to carry off the supply on

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the other. The conditions required by the principle of demand and supply are fulfilled, and the two commodities will continue to be interchanged, as we supposed them to be, in the ratio of 17 yards of linen for 10 yards of cloth. “But our suppositions might have been different. Suppose that, at the assumed rate of interchange, England had been disposed to consume no greater quantity of linen than 800 times 17 yards: it is evident that, at the rate supposed, this would not have sufficed to pay for the 1000 times 10 yards of cloth which we have supposed Germany to require at the assumed value. Germany would be able to procure no more than 800 times 10 yards at that price. To procure the remaining 200, which she would have no means of doing but by bidding higher for them, she would offer more than 17 yards of linen in exchange for 10 yards of cloth: let us suppose her to offer 18. At this price, perhaps, England would be inclined to purchase a greater duantity of linen. She would consume, possibly, at that price, 900 times 18 yards. On the other hand, cloth having risen in price, the demand of Germany for it would probably have diminished. If, instead of 1000 times 10 yards, she is now contended with 900 times 10 yards, these will exactly pay for the 900 times 18 yards of linen which England is willing to take at the altered price: the demand on each side will again exactly suffice to take off the corresponding supply; and 10-yards for 18 will be the rate at which, in both countries, cloth will exchange for linen. “The converse of all this would have happened, if, instead of 800 times 17 yards, we had supposed that England, at the rate of 10 for 17, would have taken 1200 times 17 yards of linen. In this case, it is England whose demand is not fully supplied; it is England who by bidding for more linen, will alter the rate of interchange te her own disadvantage; and 10 oards of cloth will fall, in both countries, below the value of 17 yards of linen. By this fall of cloth, or what is the same thing, this rise of ishen, the demand of Germany for cloth will increase, and the demand of England for linen will diminish, till the rate of interchange has so adjusted itself that the cloth and the linen will exactly pay for one another; and when once this point is attained, values will remain without further alteration. “It may be considered, therefore, as established, that when two countries trade together in two commodities, the exchange value of these commodities relatively to each other will adjust itself to the inclinations and circumstances

of the consumers on both sides, in such manner that the

quantities required by each country, of the articles which it imports from its neighbour, shall be exactly sufficient to pay for one another. As the inclinations and circumstances of consumers cannot be reduced to any rule, so neither can the proportions in which the two commodities will be interchanged. We know that the limits within which the variation is confined, are the ratio between their costs of production in the one country, and the ratio between their costs of production in the other. Ten yards of cloth cannot exchange

for more than 20 yards of linen, nor for less than 15. But

they may exchange for any intermediate number. The ratios, therefore, in which the advantage of the trade may be divided between the two nations, are various. The circumstances on which the proportionate share of each country more remotely depends, admit only of a very general indication. “It is even possible to conceive an extreme case, in which the whole of the advantage resulting from the interchange would be reaped by one party, the other country gaining nothing at all. There is no absurdity in the hypothesis that, of some given commodity, a certain quantity is all that is wanted at any price; and that, when that quantity is obtained, no fall in the exchange value would inducer' other consumers to come forward, or those who are already supplied, to take more. Let us suppose that this is the case in Germany with cloth. Before her trade oith England commenced, when 10 yards of cloth cost her as much labour as 20 yards of linen, she nevertheless consumed as much cloth as she wanted under any circumstances, and, if she

could obtain it at the rate of 10 yards of cloth for 15 of linen, she would not consume more. Let this fixed quantity be 1000 times 10 yards. At the rate, however, of 10 for 20, England would want more linen than would be equivalent to this quantity of cloth. She would, consequently, offer a higher value for linen; or, what is the same thing, she would offer her cloth at a cheaper rate. But, as by no lowering of the value could she prevail on Germany to take a greater quantity of cloth, there would be no limit to the rise of linen or fall of cloth, until the demand of England for linen was reduced by the rise of its value, to the quantity which 1000 times 10 yards of cloth would pur. chase. It might be, that to produce this diminution of the demand a less fall would not suffice than that which would make 10 yards of cloth exchange for 15 of linen. Germany would then gain the whole of the advantage, and England would be exactly as she was before the trade commenced. It would be for the interest, however, of Germany herself to . keep her linen a little below the value at which it could be produced in England, in order to keep herself from being supplanted by the home producer. England, therefore, would always benefit in some degree by the existence of the trade, though it might be a very trifling one.” In this statement, I conceive, is contained the first elementary principle of International Values. I have, as is indispensable in such abstract and hypothetical cases, supposed the circumstances to be much less complex than they really are: in the first place, by suppressing the cost of , / carriage: next, by supposing that there are only two coun- y ./ tries trading together; and lastly, that they trade only in two commodities. To render the exposition of the principle complete, it is necessary to restore the various circumstances thus temporarily left out to simplify the argument. Those who are accustomed to any kind of scientific investigation will probably see, without formal proof, that the introduction of these circulestances cannot alter the theory of the subject. Trade among any number of countries, and in any

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