Richard Feynman
General Information

More vulnerable to Type I or Type II errors?

More vulnerable to Type I or Type II errors? Type I error, also known as an “error of the first kind” or a “false positive”: the error of rejecting a null hypothesis when it is actually true. It occurs when observing a difference when in truth there is none, thus indicating a test of poor […]

Warren Buffett and Stock Market
warren buffett

Warren Buffett and Stock Market

As such, a stock price decline must imply the outlook is deteriorating, and vice versa. But stock prices move for all sorts of reasons, and many of them are unrelated to business fundamentals. And humans are emotional, they often over-react; psychological biases mean they often do the wrong thing at the wrong time. Consequently, stock prices […]

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Mental Model

Mental Model

Pattern Recognition or “Functional Equivalents” Keith Holyoak, a UCLA professor of psychology and one of the world’s leading thinkers on analogical reasoning, recommends people ask themselves the following two questions in order to hone their skills: By constantly looking at objects in your environment and material you read and asking yourself these two questions, you […]

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Guest Posts

Understanding Risk and Uncertainty

A Short Paper on Risk & Uncertainty by Ernie Risk as it relates to investing is an event that unfolds to induce impairment or loss of capital. There are many types of risk. To name a few, there are financial, market, economic, systemic and portfolio risk. Generally speaking, risk causes volatility in the stock market, […]

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Most influential investment thinker of all time

valueandprices

Here are some of Bogle’s words of advice:

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Avoid Envy and Jealousy; zero upside and infinite downside