Page:The wealth of nations, volume 2.djvu/241

 the quantity of gold and silver which these restraints detain in Spain and Portugal must, in proportion to the annual produce of their land and labor, be greater than what is to be found in other countries. The higher and stronger the dam-head, the greater must be the difference in the depth of water behind and before it. The higher the tax, the higher the penalties with which the prohibition is guarded, the more vigilant and severe the police which looks after the execution of the law, the greater must be the difference in the proportion of gold and silver to the annual produce of the land and labor of Spain and Portugal, and to that of other countries. It is said accordingly to be very considerable, and that you frequently find there a profusion of plate in houses, where there is nothing else which would, in other countries, be thought suitable or correspondent to this sort of magnificence. The cheapness of gold and silver, or what is the same thing, the dearness of all commodities, which is the necessary effect of this redundancy of the precious metals, discourages both the agriculture and manufactures of Spain and Portugal, and enables foreign nations to supply them with many sorts of rude, and with almost all sorts of manufactured produce, for a smaller quantity of gold and silver than what they themselves can either raise or make them for at home. The tax and prohibition operate in two different ways. They not only lower very much the value of the precious metals in Spain and Portugal, but by detaining there a certain quantity of those metals which would otherwise flow over other countries, they keep up their value in those other countries somewhat above what it otherwise would be, and thereby give those countries a double advantage in their commerce with Spain and Portugal. Open the floodgates, and there will presently