Page:The wealth of nations, volume 2.djvu/246

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242
THE WEALTH OF NATIONS

can raise that value. The freest competition cannot lower it. Through the world in general that value is equal to the quantity of labor which it can maintain, and in every particular place it is equal to the quantity of labor which it can maintain in the way, whether liberal, moderate, or scanty, in which labor is commonly maintained in that place. Woollen or linen cloth are not the regulating commodities by which the real value of all other commodities must be finally measured and determined; corn is. The real value of every other commodity is finally measured and determined by the proportion which its average money price bears to the average money price of corn. The real value of corn does not vary with those variations in its average money price, which sometimes occur from one century to another. It is the real value of silver which varies with them.

Bounties upon the exportation of any home-made commodity are liable, first, to that general objection which may be made to all the different expedients of the mercantile system; the objection of forcing some part of the industry of the country into a channel less advantageous than that in which it would run of its own accord; and, secondly, to the particular objection of forcing it, not only into a channel that is less advantageous, but into one that is actually disadvantageous; the trade which cannot be carried on but by means of a bounty being necessarily a losing trade. The bounty upon the exportation of corn is liable to this further objection, that it can in no respect promote the raising of that particular commodity of which it was meant to encourage the production. When our country gentlemen, therefore, demanded the establishment of the bounty, though they acted in imitation of our merchants and manufac-