Currency Unions and Trade: Variations on Themes by Rose and Persson
No DP2002/08, Reserve Bank of New Zealand Discussion Paper Series from Reserve Bank of New Zealand
Using a gravity equation, Andrew Rose finds that currency-union countries trade more intensively with each other than do other country pairs, and others report same result. Using a nonparametric test, however, Persson finds that trade flows between currency-union countries are not significantly different in size from other bilateral trade flows. Using another way to identify a currency-union country, this paper reproduces Persson's result but also produces an anomaly. When Rose's gravity equation is re-estimated using the data set furnished by the alternative definition of a currency-union country, Rose's result survives, although the currency-union effect is smaller than the effect he reported initially.
JEL-codes: F15 F33 (search for similar items in EconPapers)
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