We place regional industry structures at centre stage in currency union analysis, decomposing differences between regional and aggregate cycles into 'industry structure' and 'industry cycle' effects. The industry structure effect indicates whether a region's industry structure causes its cycle...

If two countries experience similar cycles, loss in monetary sovereignty following currency union may not be severe. Analysis of cyclical similarity is frequently carried out at the overall industry level, then interpreted with reference to regional industrial structures. By contrast, this paper...