Circle of Competence

Circle of Competence

Warren Buffett wrote in his 1996 letter to Berkshire Hathaway shareholders: “You don’t have to be an expert on every company, or even many. You only have to be able to evaluate companies within your circle of competence. The size of that circle is not very important; knowing its boundaries, however, is vital.” He also said on a separate occasion: “What counts for most people in investing is not how much they know, but rather how realistically they define what they don’t know.How should you define your circle of competence and to what degree should you try to expand it over time?

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The “Mental Game” in Investing

The “Mental Game” in Investing

At the 2017 Berkshire Hathaway Annual Meeting, Charlie Munger, Warren Buffett’s partner, said:A lot of other people are trying to be brilliant and we are just trying to stay rational. And it’s a big advantage.” It’s a simple, but crucial insight – a lot of the edge in investing can be traced to the ability to stay rational and execute your approach at moments of highest pressure and uncertainty. So what is the “mental game” in investing, and how do you make sure that yours helps your investing results?

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Behavioral Defense in Decision Making

Behavioral Defense in Decision Making

Behavioral biases affect decisions more often than one might think. Behavioral defense involves making sure you are aware of any such biases affecting your thinking and correcting for them whenever possible. This article will focus on helping you make better decisions through the use of behavioral defense. 

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