Machine generated contents note: pt. I Historical And Theoretical Introduction To The Euro -- 1. Historical and Theoretical Considerations -- pt. II The Euro as a Common, International, and Global Currency: An Empirical Study -- 2. The Euro as a Common Currency -- 3. Statistical Analysis of the Euro as a Stabilizer for the Eurozone -- 4. The Euro as an International and Global Currency -- pt. III The Euro and the Eurozone: Before, During, and After the First Economic Crisis of the 21st Century -- 5. The New Monetary Order of the 21st Century -- 6. The Eurozone and its First Economic Crisis -- 7. The Future of the Eurozone and the EU at a Crossroads: Coordination or Breakup -- 8. The Euro in the Twenty-First Century: The Need for a "Euro Index" -- pt. IV Conclusion -- 9. The Eurozone in the 21st Century.