En un post anterior había mencionado que hay varios economistas que aceptan que la crisis financiera posee una lectura Austriaca, o bien ofrecen una explicación que va por caminos similares. La teoría del ciclo, sin embargo, implicitamente asume una economía cerrada. Por un lado la crisis financiera presenta un aspecto internacional, por el otro la teoría del ciclo descansa sobre economías cerradas.

Por ejemplo, Hayek (1931) en Prices and Production dice lo siguiente (pp. 109-110):

But when in dealing with practical problems we speak of the quantity of money in circulation,
we always mean the quantity of any particular kind or kinds of media of exchange used within one or several countries which form a part of a larger economic unit.

The fact that the monetary circulation of any one country, whatever we include under the heading money, will always show natural fluctuations in conforming with an increase or decrease of the volume of local production is probably the main reason why elasticity is generally considered a self-evident necessity for the amount of money in general. But the question we have to answer is just this. Do the reasons which make fluctuations of the circulation of any single country necessary apply when we are considering the quantity of money as a whole?

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