Mundell's optimal currency area model has been misconstrued, being at base an argument against multiple currencies as Mundell himself stated in that paper and frequently since. This paper shows two things. First use of this model has generated beggar-thy-neighbour advice concerning exchange rate...

Optimum currency area : currency area composition and exchange-rate regimes-theory and evidence reconciled -- Measuring the sacrifice ratio : some international evidence / with Kai Leitemo -- Regional labor market adjustment in Norway