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Investing with Keynes

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Investing with Keynes

How the World's Greatest Economist Overturned Conventional Wisdom and Made a Fortune on the Stock Market

Pegasus Books,

15 min read
9 take-aways
Audio & text

What's inside?

Keynes wasn’t just a great economist; he also was one of the world’s best value investors.

Editorial Rating



  • Applicable
  • Eye Opening
  • Well Structured


Now that everybody seems to be a Keynesian again, it may be a good time to revisit economist John Maynard Keynes’s oft-overlooked strategies for succeeding in the stock market. This lively look at Keynes’s evolution as an investor is sure to convince readers that value investing is a wise approach. With pithy language and an engaging style, financial expert Justyn Walsh points out that Warren Buffett isn’t the only value investor worth emulating. Investors familiar with Buffett’s mantras will find little new advice here, but Walsh does an admirable job of casting Keynes’s life and economic theory in a new light.


John Maynard Keynes was a revolutionary economist and a wildly successful investor.

The world knows John Maynard Keynes as the influential economist whose then-radical theories rescued the world from the Great Depression. However, his investing success is less well-known. When he died in 1946, Keynes was worth £480,000, the equivalent of about $30 million now. He was paid well for some of his best-selling books, but he earned little from his work as an economist. Instead, he amassed his fortune largely by investing. He pioneered a brand of common sense trading, or value investing, used more recently by Warren Buffett. Keynes was the most unusual of dismal scientists: a brash economic theoretician who put his knowledge to practical use.

Keynes was born in 1883 in Cambridge, England, where he later studied mathematics and classics at Cambridge University. As a young man, he had little interest in money. He embarked on a career as a civil servant but soon became bored and returned to academia. At Cambridge, he led the Bloomsbury crowd of aesthetes and Bohemians. Called the “Bloomsberries,” this group was renowned for its complicated love triangles and disdain for...

About the Author

Justyn Walsh is CEO of BridgeLane Agriculture Partners, an asset management firm. He previously worked as a corporate lawyer and investment banker.

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