To paraphrase Warren Buffett and Charlie Munger, “Buying a good company at a good price is a good idea. Buying a great company at a bargain price is better.” But to note this in light of L’ Affaire Sokol – Lubrizol, “Buying a great company at a good price when a stick-picker on my staff just bought it for his account is a really stupid idea.  And making excuses is even stupider.” (See this article by Joe Nocera at the NYTimes.)

Buffett claims to practice “Value Investing” as defined by Ben Graham, Phil Fisher, Ken Fisher, Joel Greenblatt, Bruce Greenwald, and others. I see “Sustainable investing” as a subset of “Value Investing.” Value Investing seeks to find companies that are currently undervalued by “Mr. and Ms. Market” but that are really effective at delivering Shareholder value. Sustainable Investing would seek to find companies that are currently undervalued but that are really good at delivering Stakeholder value. Continue reading →