Common currencies affect trading costs and, thereby, the amounts of trade, output, and consumption. From the perspective of monetary policy, the adoption of another country's currency trades off the benefits of commitment to price stability (if a committed anchor is selected) against the loss of an independent stabilization policy. We show that the type of country that has more to gain from giving up its own currency is a small open economy heavily trading with one particular large partner, with a history of high inflation and with a business cycle highly correlated with that of the potential "anchor." We also characterize the features of the optimal number of currency unions.
|Date of creation:||2002|
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|Publication status:||Published in Quarterly Journal of Economics|
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- Alberto Alesina & Enrico Spolaore, 1995.
"On the Number and Size of Nations,"
NBER Working Papers
5050, National Bureau of Economic Research, Inc.
- Hooper, Peter & Kohlhagen, Steven W., 1978. "The effect of exchange rate uncertainty on the prices and volume of international trade," Journal of International Economics, Elsevier, vol. 8(4), pages 483-511, November.
- Ethier, Wilfred J, 1982. "National and International Returns to Scale in the Modern Theory of International Trade," American Economic Review, American Economic Association, vol. 72(3), pages 389-405, June.
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