They regulate four important economic targets. The price stability in each country should be less than 1.5 % above the average of the inflation rates in the three countries with lowest inflation rate. Another rule considers the long-term interest rate. It is not allowed to be higher than 2 % above the average interest rate in the other European countries. The exchange rate has to be stable as well. The several governments have to make sure that they will be within a certain target band of the monetary union. As its last target the convergence criterias states that the public finances should not allow that the budget deficit is higher than 3 % of the countries GDP or that the outstanding governmental debt is higher than 60 % of a year’s GDP.