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Rh lent of a pound sterling. The debts and credits of the two countries would be equal, when the one owed as many times 25 francs, as the other owed pounds. When this was the case, a bill on France for 2500 francs would be worth in England 100l., and a bill on England for 100l. would be worth in France 2500 francs. The exchange is then said to be at par: and 25 francs (in reality 25 francs and a trifle more) is called the par of exchange with France. When England owed to France more than the equivalent of what France owed to her, a bill for 2500 francs would be at a premium, that is, would be worth more than 100l. When France owed to England more than the equivalent of what England owed to France, a bill for 2500 francs would be worth less than 100l., or would be at a discount.

When bills on foreign countries are at a premium, it is customary to say that the exchanges are against the country, or unfavourable to it. In order to understand these phrases, we must take notice of what "the exchange," in the language of merchants, really means. It means the power which the money of the country has of purchasing the money of other countries. Supposing 25 francs to be the exact par of exchange, then when it requires more than 100l. to buy a bill for 2500 francs, 100l. of English money are worth less than their real equivalent of French money: and this is called, an exchange unfavourable to England. The only persons in England, however, to whom it is really unfavourable, are those who have money to pay in France; for they come into the bill market as buyers, and have to pay a premium: but to those who have money to receive in France, the same state of things is favourable; for they come as sellers, and receive the premium. The premium, however, indicates that a balance is due by England, which might have