MINDSETMonths to result

Circle of Competence

Know your limits

Problem it solves

limiting beliefs

Best for

Investors and business leaders

Not ideal for

Those who are impulsive or lack self-awareness

Overview

Why this framework exists

The Circle of Competence framework involves understanding the boundaries of one's knowledge and expertise to make informed investment decisions. It requires self-awareness, discipline, and a willingness to say 'no' to opportunities that fall outside one's area of competence.

Core principles

3 total
  1. Invest only in areas where you have a deep understanding of the business and industry.
  2. Avoid investments that are outside your circle of competence, no matter how attractive they may seem.
  3. Continuously learn and expand your circle of competence to improve investment decisions.

Steps

3 steps
  1. Define Your Circle of Competence
    Identify the areas where you have a deep understanding of the business and industry. This may involve reflecting on your past experiences, education, and areas of interest.
    Pro tipBe honest with yourself about your limitations and avoid overestimating your abilities.
    WarningFailing to define your circle of competence can lead to poor investment decisions and significant losses.
  2. Stay Within Your Circle of Competence
    Only invest in opportunities that fall within your defined circle of competence. This may involve saying 'no' to attractive opportunities that are outside your area of expertise.
    Pro tipUse a checklist to ensure that each investment opportunity aligns with your circle of competence.
    WarningStraying outside your circle of competence can lead to poor investment decisions and significant losses.
  3. Continuously Learn and Expand Your Circle of Competence
    Continuously learn and expand your circle of competence to improve investment decisions. This may involve reading books, attending seminars, and seeking advice from experts.
    Pro tipSet aside dedicated time to learn and expand your circle of competence.
    WarningFailing to continuously learn and expand your circle of competence can lead to stagnation and poor investment decisions.

Checklist

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Examples

2 cases
Warren Buffett's Investment in Coca-Cola

Warren Buffett's investment in Coca-Cola is an example of staying within one's circle of competence. Buffett had a deep understanding of the beverage industry and recognized the value of Coca-Cola's brand and distribution network.

OutcomeThe investment was highly successful, generating significant returns for Berkshire Hathaway.
Warren Buffett's Investment in Goldman Sachs

Warren Buffett's investment in Goldman Sachs is an example of staying within one's circle of competence. Buffett had a deep understanding of the financial industry and recognized the value of Goldman Sachs' brand and expertise.

OutcomeThe investment was highly successful, generating significant returns for Berkshire Hathaway.

Common mistakes

3 traps
Overestimating One's Abilities
Overestimating one's abilities can lead to poor investment decisions and significant losses.
Failing to Define One's Circle of Competence
Failing to define one's circle of competence can lead to poor investment decisions and significant losses.
Straying Outside One's Circle of Competence
Straying outside one's circle of competence can lead to poor investment decisions and significant losses.

Origin story

How this framework came to be

Warren Buffett has often spoken about the importance of staying within one's circle of competence, citing his own experiences of straying outside his area of expertise and facing poor results.

Source

Traced to primary
Source · INVESTOR LETTER
Berkshire Hathaway Shareholder Letter 1991
Warren Buffett · 1991
Open source →

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