Céntimo Céntimo The céntimo (in Spanish-speaking countries) or cêntimo (in Portuguese-speaking countries) was a currency unit of Spain, Portugal and their former colonies. The word derived from the Latin meaning "hundredth part". The main Spanish currency, before the euro, was the peseta which was divided into 100 céntimos. In Portugal it was the real and later the escudo, until it was also replaced by the euro. In the European community "cent" is the official name for one hundredth of a euro. However, both "céntimo" (in Spanish) and "cêntimo" (in Portuguese) are commonly used to describe the euro cent. Céntimo or cêntimo
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