Below are excerpts (Part 4 of 4) from Thirty Years: Reflections on the Ten Attributes of Great Investors by Michael Mauboussin. Psychology, Intrinsic Value, Expected Return What riots & bubbles have in common: “…investing is an inherently social exercise…prices can go from being a source of information to a source of influence. Imagine 100 potential rioters milling […]
Below are excerpts (Part 3 of 4) from Thirty Years: Reflections on the Ten Attributes of Great Investors by Michael Mauboussin. Portfolio Management, Sizing, Psychology “Position sizing and portfolio construction still do not get the attention they warrant.” Preach! “Puggy Pearson was a cigar-chomping gambling legend who won the World Series of Poker and was one […]
Below are excerpts (Part 2 of 4) from Thirty Years: Reflections on the Ten Attributes of Great Investors by Michael Mauboussin, which contains lots of insightful commentary on how behavioral psychology can greatly impact one’s likelihood of investment success. Creativity “I believe…that diverse input combined with rigor can lead to insight. This is all very consistent […]
There seems to be a fair amount of behavioral investing tidbits originating from Columbia Business School affiliated sources these days. We previously posted excerpts from a Kingstown Capital interview (Columbia Business School alums) in which they discuss how they’ve woven behavioral psychology into their investment and team management process. Below are excerpts (Part 1 of […]
Our last article on the uncontrollable nature of luck was just downright depressing. To lift spirits & morale, this article showcases more comforting content on factors that are within an investor’s control. The following excerpts are extracted from a piece by Michael Mauboussin written in 2002 titled The Babe Ruth Effect – Frequency versus Magnitude. […]
Below are numerous psychological gems extracted from Chapter 1 of More Than You Know by Michael Mauboussin. Also be sure to check out his thoughts on Process Over Outcome. Psychology, Sizing “The behavioral issue of overconfidence comes into play here. Research suggests that people are too confident in their own abilities and predictions. As a […]
Below are excerpts from an article written by Michael Mauboussin in 2006 on the importance of position sizing (Size Matters). For fans of the Kelly formula, this is a must-read. Mauboussin highlights a few very important flaws of the Kelly formula when applied to our imperfect, non-normally distributed world of investing. Sizing, Diversification “To suppose […]
James Montier’s Value Investing: Tools and Techniques for Intelligent Investment is a book I often recommend to others – Montier does a wonderful job of pulling together a range of topics related value investing. Below are excerpts from Chapter 16 titled “Process not Outcomes: Gambling, Sport and Investment.” Montier derived much of the content below […]
Michael Mauboussin, author & former Chief Investment Strategist at Legg Mason, recently joined Consuelo Mack for an interview on WealthTrack (one of my favorite resources for interesting conversations with interesting people; the transcripts are economically priced at $4.99 per episode). Their conversation touched upon a number of relevant portfolio management topics. For those of you […]