After realising that the accident rate was far higher than expected, the car makers decided to develop better systems of protection and the public authorities decided to regulate the issuing of driving licences.
The experience of the first ten years of euro has shown that even with strict rules of conduct and coordination mechanisms the members of a monetary union may find themselves in a financial and budgetary crisis. The reasons vary. One is the circumvention of the rules, as in the case of Greece, which managed to double its public deficit for many months without notification.