Foreword -- 1. First lecture: Keynesianism, Monetarism, and the case for and against active stabilization policies -- 2. Second lecture: aggregate demand and the control of the inflationary process -- 3. Third lecture: the monetary mechanism revisited and its relations with the financial structure -- 4. Fourth lecture: the accumulation of individual and national wealth and the role of social security -- 5. Discussion -- 6. Comments -- 7. Biography of Franco Modigliani -- References -- Index.