One Money, One Market: A Revised Benchmark
The introduction of the euro generated substantial interest in measuring the impact of currency unions (CUs) on trade flows. Rose’s (2000) initial estimates suggested a tripling of trade and created a literature in search of “more reasonable” CU effects. A recent meta-analysis of this literature shows that subsequent papers quantify CU trade impacts at 30–90 percent. However, most recent studies use shorter time series and fewer countries than Rose in his original work. We revisit Rose’s original benchmark, extend the dataset, and address Baldwin’s (2006) critiques of gravity implementation in large panels by simultaneously accounting for multilateral resistance and unobserved bilateral heterogeneity. This produces a robust average CU trade effect of 45 percent. Yet, the trade impacts of individual CUs vary substantially and are generally lower than those of preferential trade agreements (PTAs). Our revised benchmark can be used as a yardstick for future studies to delineate how estimates differ due to new data or differences in econometric specifications.
|Date of creation:||Mar 2009|
|Date of revision:|
|Publication status:||Forthcoming in Review of International Economics|
|Contact details of provider:|| Postal: Box 353330, Seattle, WA 98193-3330|
Web page: http://www.econ.washington.edu/
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