Back in the dot-com bubble of 20-odd years ago, WorldCom was one of the many companies that crashed and burned, taking investors’ money with it. John Allen Paulos was one of these investors, obsessively throwing good money after bad, long after the point when he should have cut and run. In this book he tries to explain why he succumbed to the madness of crowds like that, and in the process explains a lot about how the stock market works. He also discusses lots of interesting mathematical details, and also the benefits and pitfalls of various investment approaches.

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## A Mathematician Reads the Newspaper — John Allen Paulos

A mathematician reads the newspaper and comments on it from a mathematics-oriented point of view. That’s what this book is, and it’s a fun and interesting read thanks to Paulos’s clear writing and understated humour. I have a few of his books and they are all good. I do like this one because he says the sorts of things that I always think when I read the newspaper. Paulos is good at gleaning insight from fairly trivial-seeming things – like newspapers.