Page:The wealth of nations, volume 1.djvu/431

 coin is continually flowing from those coffers in a great variety of ways. Whatever coin, therefore, was wanted to support this excessive circulation both of Scotch and English paper money, whatever vacuities this excessive circulation occasioned in the necessary coin of the kingdom, the Bank of England was obliged to supply them. The Scotch banks, no doubt, paid all of them very dearly for their own imprudence and inattention. But the Bank of England paid very dearly, not only for its own imprudence, but for the much greater imprudence of almost all the Scotch banks.

The overtrading of some bold projectors in both parts of the United Kingdom was the original cause of this excessive circulation of paper money.

What a bank can with propriety advance to a merchant or undertaker of any kind is not either the whole capital with which he trades, or even any considerable part of that capital; but that part of it only which he would otherwise be obliged to keep by him unemployed, and in ready money for answering occasional demands. If the paper money which the bank advances never exceeds this value, it can never exceed the value of the gold and silver, which would necessarily circulate in the country if there was no paper money; it can never exceed the quantity which the circulation of the country can easily absorb and employ.

When a bank discounts to a merchant a real bill of exchange drawn by a real creditor upon a real debtor, and which, as soon as it becomes due, is really paid by that debtor; it only advances to him a part of the value which he would otherwise be obliged to keep by him unemployed and in ready money for answering occasional demands. The payment of the bill, when it becomes due, replaces to the bank the value of what it had advanced, together with