Monday 20 February 2012

Stock Picking Philosophy from Charles Munger - Part 1


The following came from a 1994 article by Charles Munger, best known as one of the lead Berkshire Hathaway investors with Warren Buffett.

As a warning, its very long and talks about a lot of topics from role of math and psychology, business management, stock picking, etc but its very informative.

I've picked out a few more juicy paragraphs from it but if you have time, make sure to read it.  I've broken it up into several smaller chunks that I found interesting and will post them out over a few days.

Source:
Charles Munger, USC Business School, 1994
A Lesson on Elementary, Worldly Wisdom As It Relates To Investment Management & Business

Courtesy: The Big Picture


  • Graham and the father of value investing

The second basic approach is the one that Ben Graham used—much admired by Warren and me. As one factor, Graham had this concept of value to a private owner—what the whole enterprise would sell for if it were available. And that was calculable in many cases.

Then, if you could take the stock price and multiply it by the number of shares and get something that was one third or less of sellout value, he would say that you’ve got a lot of edge going for you. Even with an elderly alcoholic running a stodgy business, this significant excess of real value per share working for you means that all kinds of good things can happen to you. You had a huge margin of safety—as he put it—by having this big excess value going for you.

But he was, by and large, operating when the world was in shell shock from the 1930s—which was the worst contraction in the English-speaking world in about 600 years. Wheat in Liverpool, I believe, got down to something like a 600-year low, adjusted for inflation. People were so shell-shocked for a long time thereafter that Ben Graham could run his Geiger counter over this detritus from the collapse of the 1930s and find things selling below their working capital per share and so on.

...

Of course, the best part of it all was his concept of “Mr. Market”. Instead of thinking the market was efficient, he treated it as a manic-depressive who comes by every day. And some days he says, “I’ll sell you some of my interest for way less than you think it’s worth.” And other days, “Mr. Market” comes by and says, “I’ll buy your interest at a price that’s way higher than you think it’s worth.” And you get the option of deciding whether you want to buy more, sell part of what you already have or do nothing at all.

To Graham, it was a blessing to be in business with a manic-depressive who gave you this series of options all the time. That was a very significant mental construct. And it’s been very useful to Buffett, for instance, over his whole adult lifetime.

However, if we’d stayed with classic Graham the way Ben Graham did it, we would never have had the record we have. And that’s because Graham wasn’t trying to do what we did.

For example, Graham didn’t want to ever talk to management. And his reason was that, like the best sort of professor aiming his teaching at a mass audience, he was trying to invent a system that anybody could use. And he didn’t feel that the man in the street could run around and talk to managements and learn things. He also had a concept that the management would often couch the information very shrewdly to mislead. Therefore, it was very difficult. And that is still true, of course—human nature being what it is.

And so having started out as Grahamites which, by the way, worked fine—we gradually got what I would call better insights. And we realized that some company that was selling at 2 or 3 times book value could still be a hell of a bargain because of momentums implicit in its position, sometimes combined with an unusual managerial skill plainly present in some individual or other, or some system or other.

And once we’d gotten over the hurdle of recognizing that a thing could be a bargain based on quantitative measures that would have horrified Graham, we started thinking about better businesses.

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