Nonfiction > Harvard Classics > Adam Smith > Wealth of Nations
Adam Smith. (1723–1790).  Wealth of Nations.
The Harvard Classics.  1909–14.
Book IV
VI. Of Treaties of Commerce
WHEN a nation binds itself by treaty either to permit the entry of certain goods from one foreign country which it prohibits from all others, or to exempt the goods of one country from duties to which it subjects those of all others, the country, or at least the merchants and manufacturers of the country, whose commerce is so favoured, must necessarily derive great advantage from the treaty. Those merchants and manufacturers enjoy a sort of monopoly in the country which is so indulgent to them. That country becomes a market both more extensive and more advantageous for their goods; more extensive, because the goods of other nations being either excluded or subjected to heavier duties, it takes off a greater quantity of theirs: more advantageous, because the merchants of the favoured country, enjoying a sort of monopoly there, will often sell their goods for a better price than if exposed to the free competition of all other nations.  1
  Such treaties, however, though they may be advantageous to the merchants and manufacturers of the favoured, are necessarily disadvantageous to those of the favouring country. A monopoly is thus granted against them to a foreign nation; and they must frequently buy the foreign goods they have occasion for, dearer than if the free competition of other nations was admitted. That part of its own produce with which such a nation purchases foreign goods, must consequently be sold cheaper, because when two things are exchanged for one another, the cheapness of the one is a necessary consequence, or rather is the same thing with the dearness of the other. The exchangeable value of its annual produce, therefore, is likely to be diminished by every such treaty. This diminution, however, can scarce amount to any positive loss, but only to a lessening of the gain which it might otherwise make. Though it sells its goods cheaper than it otherwise might do, it will not probably sell them for less than they cost; nor, as in the case of bounties, for a price which will not replace the capital employed in bringing them to market, together with the ordinary profits of stock. The trade could not go on long if it did. Even the favouring country, therefore, may still gain by the trade, though less than if there was a free competition.  2
  Some treaties of commerce, however, have been supposed advantageous upon principles very different from these; and a commercial country has sometimes granted a monopoly of this kind against itself to certain goods of a foreign nation, because it expected that in the whole commerce between them, it would annually sell more than it would buy, and that a balance in gold and silver would be annually returned to it. It is upon this principle that the treaty of commerce between England and Portugal, concluded in 1703, by Mr. Methuen, has been so much commended. The following is a literal translation of that treaty, which consists of three articles only.  3

His sacred royal majesty of Portugal promises, both in his own name, and that of his successors, to admit, for ever hereafter, into Portugal, the woollen cloths, and the rest of the woollen manufactures of the British, as was accustomed, till they were prohibited by the law; nevertheless upon this condition:

That is to say, that her sacred royal majesty of Great Britain shall, in her own name, and that of her successors, be obliged, for ever hereafter, to admit the wines of the growth of Portugal into Britain: so that at no time, whether there shall be peace or war between the kingdoms of Britain and France, any thing more shall be demanded for these wines by the name of custom or duty, or by whatsoever other title, directly or indirectly, whether they shall be imported into Great Britain in pipes or hogsheads, or other casks, than what shall be demanded for the like quantity or measure of French wine, deducting or abating a third part of the custom or duty. But if at any time this deduction or abatement of customs, which is to be made as aforesaid, shall in any manner be attempted and prejudiced, it shall be just and lawful for his sacred royal majesty of Portugal, again to prohibit the woollen cloths, and the rest of the British woollen manufactures.

The most excellent lords the plenipotentiaries promise and take upon themselves that their above-named masters shall ratify this treaty; and within the space of two months the ratifications shall be exchanged.
  By this treaty the crown of Portugal becomes bound to admit the English woollens upon the same footing as before the prohibition; that is, not to raise the duties which had been paid before that time. But it does not become bound to admit them upon any better terms than those of any other nation, of France or Holland for example. The crown of Great Britain, on the contrary, becomes bound to admit the wines of Portugal, upon paying only two-thirds of the duty, which is paid for those of France, the wines most likely to come into competition with them. So far this treaty, therefore, is evidently advantageous to Portugal, and disadvantageous to Great Britain.  7
  It has been celebrated, however, as a masterpiece of the commercial policy of England. Portugal receives annually from the Brazils a greater quantity of gold than can be employed in its domestic commerce, whether in the shape of coin or of plate. The surplus is too valuable to be allowed to lie idle and locked up in coffers, and as it can find no advantageous market at home, it must, notwithstanding any prohibition, be sent abroad, and exchanged for something for which there is a more advantageous market at home. A large share of it comes annually to England, in return either for English goods, or for those of other European nations that receive their returns through England. Mr. Baretti was informed that the weekly packet-boat from Lisbon brings, one week with another, more than fifty thousand pounds in gold to England. The sum had probably been exaggerated. It would amount to more than two millions six hundred thousand pounds a year, which is more than the Brazils are supposed to afford.  8
  Our merchants were some years ago out of humour with the crown of Portugal. Some privileges which had been granted them, not by treaty, but by the free grace of that crown, at the solicitation, indeed, it is probable, and in return for much greater favours, defence and protection, from the crown of Great Britain, had been either infringed or revoked. The people, therefore, usually most interested in celebrating the Portugal trade, were then rather disposed to represent it as less advantageous than it had commonly been imagined. The far greater part, almost the whole, they pretended, of this annual importation of gold, was not on account of Great Britain, but of other European nations; the fruits and wines of Portugal annually imported into Great Britain nearly compensating the value of the British goods sent thither.  9
  Let us suppose, however, that the whole was on account of Great Britain, and that it amounted to a still greater sum than Mr. Baretti seems to imagine: this trade would not, upon that account, be more advantageous than any other in which, for the same value sent out, we received an equal value of consumable goods in return.  10
  It is but a very small part of this importation which, it can be supposed, is employed as an annual addition either to the plate or to the coin of the kingdom. The rest must all be sent abroad and exchanged for consumable goods of some kind or other. But if those consumable goods were purchased directly with the produce of English industry, it would be more for the advantage of England, than first to purchase with that produce the gold of Portugal, and afterwards to purchase with that gold those consumable goods. A direct foreign trade of consumption is always more advantageous than a round- about one; and to bring the same value of foreign goods to the home market, requires a much smaller capital in the one way than in the other. If a smaller share of its industry, therefore, had been employed in producing goods fit for the Portugal market, and a greater in producing those fit for the other markets, where those consumable goods for which there is a demand in Great Britain are to be had, it would have been more for the advantage of England. To procure both the gold, which it wants for its own use, and the consumable goods, would, in this way, employ a much smaller capital than at present. There would be a spare capital, therefore, to be employed for other purposes, in exciting an additional quantity of industry, and in raising a greater annual produce.  11
  Though Britain were entirely excluded from the Portugal trade, it could find very little difficulty in procuring all the annual supplies of gold which it wants, either for the purposes of plate, or of coin, or of foreign trade. Gold, like every other commodity, is always somewhere or another to be got for its value by those who have that value to give for it.  12
  The annual surplus of gold in Portugal, besides, would still be sent abroad, and though not carried away by Great Britain, would be carried away by some other nation, which would be glad to sell it again for its price, in the same manner as Great Britain does at present. In buying gold of Portugal, indeed, we buy it at the first hand; whereas, in buying it of any other nation, except Spain, we should buy it at the second, and might pay somewhat dearer. This difference, however, would surely be too insignificant to deserve the public attention.  13
  Almost all our gold, it is said, comes from Portugal. With other nations the balance of trade is either against us, or not much in our favour. But we should remember, that the more gold we import from one country, the less we must necessarily import from all others. The effectual demand for gold, like that for every other commodity, is in every country limited to a certain quantity. If nine-tenths of this quantity are imported from one country, there remains a tenth only to be imported from all others. The more gold besides that is annually imported from some particular countries, over and above what is requisite for plate and for coin, the more must necessarily be exported to some others; and the more that most insignificant object of modern policy, the balance of trade, appears to be in our favour with some particular countries, the more it must necessarily appear to be against us with many others.  14
  It was upon this silly notion, however, that England could not subsist without the Portugal trade, that, towards the end of the late war, France and Spain, without pretending either offence or provocation, required the king of Portugal to exclude all British ships from his ports, and for the security of this exclusion, to receive into them French or Spanish garrisons. Had the king of Portugal submitted to those ignominious terms which his brother-in-law the king of Spain proposed to him, Britain would have been freed from a much greater inconveniency than the loss of the Portugal trade, the burden of supporting a very weak ally, so unprovided of every thing for his own defence, that the whole power of England, had it been directed to that single purpose, could scarce perhaps have defended him for another campaign.  15
  The loss of the Portugal trade would, no doubt, have occasioned a considerable embarrassment to the merchants at that time engaged in it, who might not, perhaps, have found out, for a year or two, any other equally advantageous method of employing their capitals; and in this would probably have consisted all the inconveniency which England could have suffered from this notable piece of commercial policy.  16
  The great annual importation of gold and silver is neither for the purpose of plate nor of coin, but of foreign trade. A round-about foreign trade of consumption can be carried on more advantageously by means of these metals than of almost any other goods. As they are the universal instruments of commerce, they are more readily received in return for all commodities than any other goods; and on account of their small bulk and great value, it costs less to transport them backward and forward from one place to another than almost any other sort of merchandize, and they lose less of their value by being so transported. Of all the commodities, therefore, which are bought in one foreign country, for no other purpose but to be sold or exchanged again for some other goods in another, there are none so convenient as gold and silver. In facilitating all the different round-about foreign trades of consumption which are carried on in Great Britain, consists the principal advantage of the Portugal trade; and though it is not a capital advantage, it is, no doubt, a considerable one.  17

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