List of figures; List of tables; Preface; Common symbols; 1. An overview: the realm of economic policy; Part I. The Classical Theory of Economic Policy: 2. Statics; 3. Dynamics; Part II. From the Classical to the New Theory of Economic Policy: 4. The Lucas critique; 5. Policy games: an introduction; Part III. The New Theory of Economic Policy: Statics: 6. A theory of strategic conflict: foundations; 7. From individual players to system controllability; 8. Conflicts and coordination among groups; 9. Announcements as a coordination mechanism; Part IV. The New Theory of Economic Policy: Dynamics: 10. Controllability in a strategic dynamic setting; 11. Dynamic policy games with rational expectations; 12. Credibility, dynamic controllability and rational expectations; 13. Expectations and target coordination: institutional aspects; 14. A summary and round-up of conclusions; References.