Maastricht criteria

This is an article about European politics, Convergence criteria is also a mathematical term regarding series.Convergence criteria (also known as the Maastricht criteria) are the criteria for European Union member states to enter the third stage of European Economic and Monetary Union (EMU) and adopt the euro. The four main criteria are based on Article 121(1) of the European Community Treaty. Those member countries who are to adopt the euro need to meet certain criteria which include: 1. Inflation rate: No more than 1.5 percentage points higher than the 3 best-performing member states of the EU (based on inflation).
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See convergence criteria