This book provides an insightful and original perspective on the work and legacy of John Maynard Keynes. It explores his work as an economist, world system planner, and social philosopher to highlight the different ways he influenced economics, economic policy, and the global political economy. Particularly attention is given to the development of the ideas which led up to The General Theory, his role as a planner and negotiator within international organizations, his work on the development of the post-war UK system, his debates with British Economists.
This book examines the work and international legacy of one of economics¿ defining thinkers. It will be of interest to students and researchers interested in the political economy and the history of economic thought.

1. Introduction.- 2. Keynes's Theory in the Making.- 3. How Did Keynes Transform His Theory from the Tract into the Treatise?.- 4. How, and for How Long Did Keynes Maintain The Treatise Theory?.- 5. The Turning Point in Keynes's Theoretical Development.- 6. Keynes as a Planner and Negotiator - International Clearing Union.- 7. Keynes and the Transmutation Process of the Plan for Commodity Control Scheme.- 8. International Design and the British Empire - On the Relief Problem.- 9. The Welfare State in the Making - Beveridge and Keynes.- 10. Keynes's Employment Policy in the Making - The Keynesian Revolution in Economic Policy.- 11. A Treatise on Probability and My Early Beliefs.- 12. Keynes's New Liberalism Re-Examined.- 13. Hawtrey's Philosophy through His Unpublished Thought and Things.- 14. Hawtrey on Welfare and Value.- 15. Exploring Hawtrey's Social Philosophy through His Unpublished Book.- 16. Prof. Aoyama's Study on Robertson and Keynes in Interwar Japan.- 17. Keynes and Monetary Economics.- 18. Recent Japanese Studies in the Development on Keynes's Thought.

Toshiaki Hirai is Emeritus Professor at Sophia University. He is editor-in-chief of The Review of Keynesian Studies, published  by the Keynes Society Japan.