The good news is that economists are intelligent, engaging and often charming folks. The bad news is their work is often of little use to investors.
Barry RitholtzHistory is replete with examples of tech firms that were marginalized by new companies and technologies.
Barry RitholtzRather than engage in the sort of selective retention that so many investors tend to do and pretend mistakes never happened, I prefer to own them. This allows me to learn from them and, with any luck, avoid making the same errors again.
Barry Ritholtz