Currency exchange

Definition and stakes

Portrait of John Stuart Mill John Stuart Mill,  Principles of Political Economy (1871)

“ It thus appears, that a depreciation of the currency does not affect the foreign trade of the country: this is carried on precisely as if the currency maintained its value. But though the trade is not affected, the exchanges are. When the imports and exports are in equilibrium, the exchange, in a metallic currency, would be at par; a bill on France for the equivalent of five sovereigns, would be worth five sovereigns. But five sovereigns, or the quantity of gold contained in them, having come to be worth in England 6l., it follows that a bill on France for 5l. ”
Source: Wikisource

The Problem of the Rupee, Its Origin and Its Solution

“ But to proceed, on the basis of this relationship between the purchasing power of a currency and its exchange value, to argue that at any given time the exchange is more or less an exact measure of general purchasing power of the two currencies, is to assume what cannot always be true, namely, that the prices of traded and non-traded goods move in sympathy. ”
Source: Gutenberg

Portrait of David Ricardo David Ricardo,  The High Price of Bullion, a Proof of the Depreciation of Bank Notes

“ If we consent to give coin in exchange for goods, it must be from choice, not necessity. We should not import more goods than we export, unless we had a redundancy of currency, which it therefore suits us to make a part of our exports. The exportation of the coin is caused by its cheapness, and is not the effect, but the cause of an unfavourable balance: we should not export it, if we did not send it to a better market, or if we had any commodity which we could export more profitably. It is a salutary remedy for a redundant currency ”
Source: Wikisource

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