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Journal of Economic Integration 2007 June;22(2) :256-287.
DOI: https://doi.org/10.11130/jei.2007.22.2.256
A Currency Union or an Exchange Rate Union: Evidence from Northeast Asia
Bang Nam Jeon and 
Hongfang Zhang 
Drexel University
Copyright ©2007 Journal of Economic Integration
ABSTRACT

This paper examines whether or not the Northeast Asian economies, namely, China, Japan, Korea, and Taiwan, can form a currency union, where a single currency and a uniform monetary policy are adopted, or an exchange rate union where all the currencies are pegged to an internal or external currency or an optimum currency basket. The analysis of correlations of supply shocks, exchange rate shocks, monetary shocks, and demand shocks, which are estimated applying the structural VAR model with identification restrictions imposed, to the data for the period from 1970 through 2004, shows that shocks of these economies are not symmetric, in general, implying that the Northeast Asian economies are not ready yet to form a common currency union. However, it is found that the Northeast Asian countries can form an exchange rate union with a major currency basket, which consists of the U.S. dollar, the euro and the Japanese yen, as an anchor currency. The paper also examines the option of pegging to a basket of regional currencies, similar to the Asian Currency Unit (ACU), and discusses policy implications.

JEL classification: F33, F36

Keywords: Currency union | Exchange rate union | Optimum currency areas | Northeast Asia
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