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1 " According to the current view, the maintenance of sound monetary conditions is only possible with a 'credit balance of payments'.The confutation of this and related objections is implicit in the Quantity Theory and in Gresham's Law. The Quantity Theory shows that money can never permanently flow abroad from a country in which only metallic money is used (the 'purely metallic currency' of the Currency Principle). The tightness in the domestic market called forth by the efflux of part of the stock of money reduces the prices of commodities, and so restricts importation and encourages exportation, until there is once more enough money at home. The precious metals which perform the function of money are distributed among individuals, and consequently among separate countries, according to the extent and intensity of the demand of each for money. State intervention to assure to the community the necessary quantity of money by regulating its international nlovements is supererogatory. "
― Ludwig von Mises , The Theory of Money and Credit
2 " The sums of money collected in hoards lie there idle, waiting for the moment when commerce needs them for maintaining the stability of the objective exchange-value of money; and all those sums of money, that might threaten this stability when the demand for money decreases, flow back out of circulation into these hoards to slumber quietly until they are called forth again. This tacitly assumes ll the fundamental correctness of the arguments of the Quantity Theory, but asserts that there is nevertheless a principle inherent in the economic system that always prevents the working out of the processes that the Quantity Theory describes.In the first place, it must be recognized that from the economic point of view there is no such thing as money lying idle. All money, whether in reserves or literally in circulation (i.e. in process of changing hands at the very moment under consideration), is devoted in exactly the same way to the performance of a monetary function. The stock of money of the community is the sum of the stocks of individuals; there is no such thing as errant money. "
3 " But here again it must be observed that this is a matter of a variation brought about through dynamic agencies. The static state, for which the contention attributed to the adherents of the mechanical version of the Quantity Theory would be valid, is disturbed by the fact that the exchange-ratios between individual commodities are necessarily modified. Under certain conditions, the technique of the market may have the effect of extending this modification to the exchange-ratio between money and other economic goods also. "
4 " The older theories, which started from an erroneous conception of the social demand for money, could never arrive at a solution of this problem. Their sole contribution is limited to paraphrases of the proposition that an increase in the stock of money at the disposal of the community while the demand for it rClnains the same decreases the objective exchange-value of money, and that an increase of the demand with a constant available stock has the contrary effect, and so on. By a flash of genius, the formulators of the Quantity Theory had already recognized this. We cannot by any means call it an advance when the formula giving the amount of the demand for money (Volume of Transactions + Velocity of Circulation) was reduced to its elements. "
