Language and the euro European currency. Of other national Slavic languages using the Cyrillic alphabet, Macedonian, Russian and Serbian also use the spelling евро. Ukrainian uses євро and Belarusian uses еўра/эўра. In Catalan the official plural is the same as its regular plural "euros". The standard pronunciation of "euro" is . For the cent, the word "cèntim" (, plural "cèntims") is used, since historically this term has been used as the hundredth part of a currency unit. The fraction of the peseta was also called "cèntim", but it was withdrawn from circulation decades ago. In the Cornish language, euro is written "ewro" (like "Ewrop"
Euro only recognised as legal tender within the Order. In economics, an optimum currency area, or region (OCA or OCR), is a geographical region in which it would maximise economic efficiency to have the entire region share a single currency. There are two models, both proposed by Robert Mundell: the stationary expectations model and the international risk sharing model. Mundell himself advocates the international risk sharing model and thus concludes in favour of the euro. However, even before the creation of the single currency, there were concerns over diverging economies. Before the late-2000s recession it was considered unlikely that a state