Essay from the year 2013 in the subject Economics - Monetary theory and policy, Alexandru Ioan Cuza University of Iasi, language: English, abstract: The European Union sets the premises for the appearance of a new phenomenon in the global economic setting: the synchronization of the national business cycles.The aim of this article is to statistically prove the existence of a Euro are business cycle through the study of a classic indicator- the annual change of the GDP and also through the use of foreign trade indicators-the annual changes in exports in imports. Also, it is important, at the end, to choose the best of these indicators or a combination thereof to use as a benchmark for further studies.The empiric study is useful to classify the European countries in clusters according to synchronization, a first step in adopting common policies.