TIP641: IMPROVE DECISION MAKING WITH MENTAL MODELS

W/ CLAY FINCK & KYLE GRIEVE

29 June 2024

On today’s episode, Kyle Grieve and Clay Finck continue their conversation on Investing: The Last Liberal Art by Robert Hagstrom. We discuss details on why using the right explanation for a business is so important to a good investment thesis, simple ways to improve your reading to get more out of the books and content that you consume, how to use simple mathematical concepts to improve your decision making in real-time, how to understand better System I and System II thinking and how it directly applies to investing, some of the latest mental models Kyle has learned from interviewing recent guests, and a whole lot more!

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IN THIS EPISODE, YOU’LL LEARN:

  • How to use the proper explanations in your analysis to determine the right comparable best.
  • Why Tesla is so misunderstood.
  • Why the economics of Dino Polska make it an invalid comparison to other grocers.
  • The power of narratives in investing and how we can guard ourselves from getting overly optimistic.
  • How to optimize reading for learning.
  • How to use Bayes theorem to tip odds in your favour and change your position sizing.
  • Why value and prices become disconnected, and how human psychology plays into this.
  • Why intuition (system I thinking) is so difficult to rely on in the stock market.
  • How to make thinking in mental models a habit.
  • Some of the latest mental models Kyle has learned from interviewing some of his latest guests.
  • And so much more!

TRANSCRIPT

Disclaimer: The transcript that follows has been generated using artificial intelligence. We strive to be as accurate as possible, but minor errors and slightly off timestamps may be present due to platform differences.

[00:00:00] Kyle Grieve: Mental models can be used from nearly any discipline to help you think better. However, many investors get paralyzed by over analysis when they try to think in terms of mental models. After all, you have to have a full understanding of them at a surface level, and then you need to learn to layer them on top of each other when trying to solve problems.

[00:00:17] Kyle Grieve: It sounds easy, but it’s not an intuitive task. Today, Clay and I will continue our conversation on Robert Hagstrom’s book, Investing: The Last Liberal Art. We’ll explore philosophical mental models such as why it’s so important to use the right description when analyzing a business. We’ll have a look at the early days of Amazon and how a very prominent investor thought about the Amazon business indifferently and succeeded in his process.

[00:00:40] Kyle Grieve: We’ll examine the world of literature for ways to supercharge your lessons from reading books. We’ll also discuss the importance of narratives in investing and how you can use them to your advantage, while also avoiding potentially risky investments. Turning to the world of mathematics, we’ll look at Bayes theorem.

[00:00:55] Kyle Grieve: This is a mathematical concept that you may have never thought about, but probably calculate regularly on an unconscious level. Understanding at a conscious level will help you make better, higher quality decisions regarding your investing, especially as it relates to valuation. Then, we’ll look at some of the great concepts in the world of decision making.

[00:01:13] Kyle Grieve: We’ll look at System 1 and System 2 thinking, and how they can add or subtract from investors decision making processes. We’ll examine why our intuitive System 1 shouldn’t be relied on very much in investing, and specifically why that is. Lastly, I’ll go over my own methods for learning mental models, and how I’ve tried to make them into a habit.

[00:01:33] Kyle Grieve: I’ll also share some of the most impactful mental models I’ve learned from chatting with some of the wonderful guests on TIP. This episode is a wealth of information if you’re on a path of learning and gathering wisdom. Now, let’s get right into this week’s episode.

[00:01:50] Intro: Celebrating 10 years and more than 150 million downloads. You are listening to The Investor’s Podcast Network. Since 2014, we studied the financial markets and read the books that influence self-made billionaires the most. We keep you informed and prepared for the unexpected. Now for your host, Clay Finck and Kyle Grieve.

[00:02:22] Kyle Grieve: Welcome to The Investor’s Podcast. I’m your host Kyle Grieve and today Clay and I will continue our chat on Robert Hagstrom’s book, Investing: The Last Liberal Art. So, in our chat from a few days ago, we discussed some of the background to why I like these mental models that we’ve discussed in quite a lot of depth, and then we kind of kicked off the discussion of the very first few concepts that Robert wrote about in his book.

[00:02:43] Kyle Grieve: So, these concepts were physics, biology, sociology, and psychology. Today, we’re going to continue the discussion on mental models and talk about philosophy, literature, mathematics, and decision making. The section on philosophy was one of the most difficult sections for me to get through and I think Robert sums up why that may be in the introduction to the chapter.

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BOOKS AND RESOURCES

  • Join the exclusive TIP Mastermind Community to engage in meaningful stock investing discussions with Stig, Clay, Kyle, and the other community members.
  • Buy Investing: The Last Liberal Art here.
  • Buy The Great Mental Models here.
  • Learn more about Mental Models here.
  • Buy Poor Charlie’s Almanck here.
  • Buy More Than You Know here
  • Follow Clay on Twitter and LinkedIn.
  • Follow Kyle on Twitter and LinkedIn
  • Check out all the books mentioned and discussed in our podcast episodes here.
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