Charlie Munger
Charlie Munger📌 Investment Philosophy

Charlie Munger's Investment Philosophy Rules

Charles Thomas Munger (January 1, 1924 – November 28, 2023) was an American businessman, investor, and philanthropist. He served as vice chairman of Berkshire Hathaway and was Warren Buffett's closest partner for over five decades. Munger was renowned for his multidisciplinary approach to investing, advocating for the use of mental models from various fields including psychology, economics, physics, and biology....

3 principles·Investment Philosophy

3 Key Investment Philosophy Principles

#1

Sit on Your Ass Investing

"Sit on your ass investing. You're paying less to brokers, you're listening to less nonsense. And if it works, the tax system gives you an extra one, two, or three percent per annum."

Inactivity is often the wisest investment strategy.

🌱 Beginner★★★★★
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#2

Multidisciplinary Approach

"You must know the big ideas in the big disciplines and use them routinely — all of them, not just a few. Most people are trained in one model and try to solve all problems in one way."

Draw from multiple disciplines for better investment decisions.

🌳 Advanced★★★★★
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#3

Inversion as Philosophy

"Invert, always invert. Turn a situation or problem upside down. Look at it backward. What happens if all our plans succeed? What happens if they don't?"

Approach problems by considering the opposite perspective.

🌿 Intermediate★★★★★
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Frequently Asked Questions

What are Charlie Munger's key investment philosophy principles?

Charlie Munger has 3 key principles on investment philosophy. The most important one is "Sit on Your Ass Investing" — Sit on your ass investing.

How does Charlie Munger apply investment philosophy in practice?

Charlie Munger applies investment philosophy through several key principles including "Sit on Your Ass Investing" and "Multidisciplinary Approach". These principles guide practical investment decisions and have been tested across decades of market cycles.

What makes Charlie Munger's approach to investment philosophy unique?

Charlie Munger's approach to investment philosophy is distinguished by a focus on long-term thinking and fundamental analysis. With 3 specific principles in this area, Charlie Munger provides a comprehensive framework that investors at any level can study and apply to improve their decision-making.

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