Economic history of Spain the European community ever since. The country was a leading proponent of the EU single currency, the euro, long before it had been put into circulation. Together with the other founding euro members, it adopted the new physical currency on January 1, 2002. On that date Spain terminated its historic peseta currency and replaced it with the euro, which has become its national currency shared the rest of the Eurozone. This culminated a fast process of economic modernization even though the strength of the euro since its adoption has raised concerns regarding the fact that Spanish exports outside the European
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