Is Europe an Optimum Currency Area?
NBER Working Paper No. 3579
An optimum currency area is an economic unit composed of regions affected symmetrically by disturbances and between which labor and other factors of production flow freely. The symmetrical nature of disturbances and the high degree of factor mobility make it optimal to forsake nominal exchange rate changes as an instrument of adjustment and to reap the reduction in transactions costs associated with a common currency. This paper assesses labor mobility and the incidence of shocks in Europe by comparing them with comparable measures for Canada and the United States. Real exchange rates, a standard measure of the extent of assymetrical disturbances, remain considerably more variable in Europe than within the united states. Real securities prices, a measure of the incentive to reallocate productive capital across regions, appear considerably more variable between Paris and Dusseldorf than between Toronto and Montreal. A variety of measures suggests that labor mobility and the speed of labor market adjustment remain lower in Europe than in the United states. Thus, Europe remains further than the currency unions of North America from the ideal of an optimum currency area.
Document Object Identifier (DOI): 10.3386/w3579
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