BusinessLine (Mumbai)

Warren Buffett and the law of increasing marginal utility

- Hari Viswanath

The law of diminishin­g marginal utility states that the marginal utility of a product or service declines as more of it is consumed by the individual. However, there are rare exceptions to this law. Listening to/reading and processing the investing wisdom shared by the ‘Oracle of Omaha’ is one such exception, and results in what can be termed the ‘increasing marginal utility’.

This is exactly what followers of Warren Bu˜ett and his investment philosophi­es experience­d last weekend by watching him talk at Berkshire Hathaway’s 2024 annual shareholde­r meeting. Reading his annual newsletter­s and watching what he has to say in the annual shareholde­r meeting again and again, year after year, has the e˜ect of making you better and better in the art of investing. Like the way one of the greatest natural wonders of the world — The Grand Canyon — was formed by the Colorado river cutting through the Colorado Plateau for millions of years, years of listening to this once-in-a-century investing legend can have the e˜ect of moulding us into excellent investors.

So, what are the interestin­g insights Warren Bu˜ett o˜ered last weekend? We share here some of the best by gleaning through the question-and-answer session that played out for nearly five hours.

READ, READ AND READ MORE

Warren Bu˜ett often makes investing sound very simple. It actually is, but only after you have put in years and years of hard work that have laid the foundation for a successful investing journey. During his investing sermon last week, Bu˜ett shared multiple instances of how a lot of ‘hard work’ was behind his investing success. He personally doesn’t term it hard work as he says he enjoys what he does. His advice to everyone to make it less strenuous is to ‘love the subject, not the money.’

Years back, when asked how to prepare for an investing career, Bu˜ett recommende­d reading ‘500 pages a day’ to build knowledge. He noted that knowledge will build up like compound interest if one does this. This is something he reiterated last week when a young shareholde­r asked him whether his investing approach will change if he was a young 20-year-old investor starting today. Bu˜ett explained how, in his early days, he used to read thousands of pages of company-related manuals to understand businesses and would follow the same approach today as well. His focus would be on trying to know everything about everything which will enable him to identify opportunit­ies in businesses he is finally able to understand well.

The lesson is simple — consistent success in investing decisions is built upon years of hard work.

BUILD A FRAMEWORK

In another instance, when a shareholde­r asked him how he decides when to exit a stock, Bu˜ett explained how quick decisions to buy or sell are made after years of thinking about the parameters and building a framework of when to buy or sell a stock. So, while to everyone else it might appear as fast or hasty decisions, to Berkshire insiders it is actually a case of executing a plan when the opportunit­y comes around (buying or selling a stock). The framework for such decisions was ready for years, and so was the patience in waiting for the right opportunit­y.

Having such an approach enables better decision-making, especially when markets are in a euphoric or panic phase. This approach has especially enabled Berkshire Hathaway to get the best of bargains in buying stocks — like a situation that Bu˜ett terms as ‘times when they will be the only persons willing to act’ — like it was in 2008 during the peak of the Global Financial Crisis.

LEARNING FROM MISTAKES

Bu˜ett too has made many investing mistakes, and the best thing about it is that he realises it himself and points it out before someone else does. Even better is the way he learns from those mistakes and puts it to good use.

Last weekend, he shared one such experience. Decades back, he had bought into a furniture store that turned out into an investing mistake. However, that purchase sowed the seeds to understand­ing consumer behavior and what they expect when they enter stores, and factors that influence their buying decisions. He explained how such insights and ‘millions’ of di˜erent inputs keep building up over the years, and then something comes along and takes the whole bunch of knowledge and observatio­ns you have and crystallis­es your thinking into big action!

He credits one of his best investment decisions — buying shares of Apple — to learnings he had from his earlier mistake with the furniture store that put him on the path to understand­ing businesses driven by consumer behaviour, like that of Apple.

According to Bu˜ett while we cannot make such ‘light bulb’ investing decisions happen tomorrow, we can prepare to make them happen tomorrow.

These and much more form part of the enthrallin­g five hours that played out at Omaha last weekend, interspers­ed with rich anecdotes and his witty humour. People from across the world had thronged to learn lessons not just on investing, but also on life from the investing sage. For readers interested in learning more, we recommend watching the full session available in this link: https://www.youtube.com/watch?v=INztpkzUaD­w

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