Nuggets of Investing Wisdom

Nuggets of Investing Wisdom

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behavioral biases

The Winner’s Curse and Homo Investorus

  • by Rodney Smith
  • Posted on January 18, 2026January 31, 2026
  • Part 2: Human Foibles and Investment Decision Making

The world does not operate in accordance with conventional economic or finance theory posited on the notion that people are both rational and selfish.

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Why is it so difficult to change our view of things?

  • by Rodney Smith
  • Posted on December 7, 2025December 9, 2025
  • Part 2: Human Foibles and Investment Decision Making

When we own a stock, let’s face it, we love to see articles and reports that confirm our positive view of our investment. It’s human nature. It makes us feel good. On the flip side, we tend not to see or notice negative opinions.

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The Law of Small Numbers for investors per Daniel Kahneman

  • by Rodney Smith
  • Posted on June 30, 2025June 30, 2025
  • Part 2: Human Foibles and Investment Decision Making

The strong bias toward believing that small samples closely resemble the population from which they are drawn is also part of a larger story: We are prone to exaggerate the consistency and coherence of what we see.

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A Daniel Kahneman core achievement applied to investing

  • by Rodney Smith
  • Posted on December 22, 2024December 30, 2024
  • Part 2: Human Foibles and Investment Decision Making

Consistent overweighting of improbable outcomes – a feature of intuitive decision making – eventually leads to inferior outcomes.

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Danny Kahneman type risk policies for investors

  • by Rodney Smith
  • Posted on March 31, 2024November 5, 2024
  • Part 2: Human Foibles and Investment Decision Making

Investor psychology can cause a security to be priced just about anywhere in the short run, regardless of its fundamentals

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The Optimism Bias paradox

  • by Rodney Smith
  • Posted on December 3, 2023December 3, 2023
  • Part 2: Human Foibles and Investment Decision Making

We simply attempt to be fearful when others are greedy and to be greedy only when others are fearful

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Managing yourself

  • by Rodney Smith
  • Posted on October 8, 2023October 8, 2023
  • Part 2: Human Foibles and Investment Decision Making

Each post has a list of what Daniel Kahneman, a Nobel Prize winning psychologist, calls risk policies and I call gap-to-edge rules.

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A set of rules to develop a behavioral edge – Part 5

  • by Rodney Smith
  • Posted on November 20, 2022April 1, 2024
  • Part 2: Human Foibles and Investment Decision Making

Our mind searches for confirming evidence that we are right and shies away from contrary evidence.

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Experience and becoming a really successful investor

  • by Rodney Smith
  • Posted on January 16, 2022January 16, 2022
  • Part 3: Thoughts for the Individual Investor

You can continue to learn and improve your investing skills year after year.

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Your investment style may be stuck in a bad grove in a changing world

  • by Rodney Smith
  • Posted on November 15, 2020November 15, 2020
  • Part 2: Human Foibles and Investment Decision Making

It’s not that the contrary views aren’t there. We just ignore them.

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