means of purchase. Already in the movement of money as a means of payment, commodity and money cease to appear simultaneously.
The commercial crises of the nineteenth century, namely, the great crises of 1825 and 1836, did not result in any new developments in the Ricardian theory of money, but they did furnish new applications for it. They were no longer isolated economic phenomena, such as the depreciation of the precious metals in the sixteenth and seventeenth centuries which interested Hume, or the depreciation of paper money in the eighteenth and early nineteenth centuries which confronted Ricardo; they were the great storms of the world market in which the conflict of all the elements of the capitalist process of production discharge themselves, and whose origin and remedy were sought in the most superficial and abstract sphere of this process, the sphere of money circulation. The theoretical assumption from which the school of economic weather prophets proceeds, comes down in the end to the illusion that Ricardo discovered the laws governing the circulation of purely metallic currency. The only thing that remained for them to do was to subject to the same laws the circulation of credit and bank-note currency.
The most general and most palpable phenomenon in commercial crises is the sudden, general decline of prices following a prolonged general rise. The general decline of prices of commodities may be expressed as a rise in the relative value of money with respect to all commodities, and the general rise of prices as a decline of the
