The Wealth of Nations by Part 2 Chapter 2 Page 46

goods. With the same stock, therefore, he can, without imprudence, have at all times in his warehouse a larger quantity of goods than the London merchant; and can thereby both make a greater profit himself, and give constant employment to a greater number of industrious people who prepare those goods for the market.

Hence the great benefit which the country has derived from this trade.

The facility of discounting bills of exchange it may be thought indeed, gives the English merchants a conveniency equivalent to the cash accounts of the Scotch merchants. But the Scotch merchants, it must be remembered, can discount their bills of exchange as easily as the English merchants; and have, besides, the additional conveniency of their cash accounts.