Investing with Keynes: How the World’s Greatest Economist Overturned Conventional Wisdom and Made a Fortune on the Stock Market

Discover the investing wisdom of one of the greatest minds in economic history—John Maynard Keynes. In Investing with Keynes, Justyn Walsh unveils how Keynes, often known for revolutionizing economic thought, was also a trailblazing and remarkably successful stock market investor. This book extracts practical, timeless lessons from Keynes’ approach and shows modern investors how to apply them in today’s markets.

Through engaging storytelling and academic insight, Walsh tracks Keynes’ transformation from speculative trader to disciplined value investor. The book dives into how Keynes outperformed the market over decades by focusing on intrinsic value, embracing portfolio concentration, and maintaining unwavering patience during market chaos. Readers will learn why temperament often trumps intelligence in investing and how Keynes’ strategies anticipate the behavioral finance movement decades in advance.

Whether you’re a long-term investor, a portfolio manager, or simply someone seeking an intellectually grounded philosophy for market participation, Investing with Keynes offers a masterclass in intelligent investing from one of history’s most iconic figures.

✅What You’ll Learn:

• How Keynes transitioned from failed speculator to elite value investor
• The principles of long-term investing and portfolio concentration
• The psychological insights Keynes applied before behavioral finance was a field
• Why successful investing is more about temperament than intelligence
• How Keynes applied his methods to real-world portfolios and institutions

💡Key Benefits:

• Combines economic theory with practical investment strategies
• Based on historical performance analysis and academic studies
• Ideal for those seeking timeless principles over market hype
• Offers perspective from Keynes’ own writings, letters, and real trades
• Bridges macroeconomic theory with value investing execution

👤Who This Book Is For:

• Investors looking for a rational, value-based approach to stock markets
• Traders seeking to learn from proven, long-term investing strategies
• Financial advisors and portfolio managers seeking historical insights
• Fans of Warren Buffett, Ben Graham, and behavioral finance
• Readers interested in the intersection of economics and investing

📚Table of Contents:

1. The Apostle Maynard
2. The Making of a Money Manager
3. Top-Down Trouble
4. Bottom-Up Thinking
5. The Value of Value
6. Focus, Don’t Diversify
7. The Role of Temperament
8. Keynes vs. the Market
9. The Investor’s Psychology
10. Lessons from Keynes’ Chest Fund
11. Long-Term Thinking
12. Post Mortem
13. A Summing Up