It’s not just Twitter, it’s Tesla too Paul Krugman addresses one of the big questions I think a lot of us have had over the past few weeks. If that guy is running twitter isn’t that guy also running Tesla? How much of his reputation is hype? If you’re one of those people who bought Bitcoin or another cryptocurrency near its peak last fall, you’ve lost a lot of money. Is it any consolation to know that you would have lost a similar amount if you had bought Tesla stock instead? OK, probably not. Still, Tesla stock’s plunge is an opportunity to talk about what makes businesses successful in the information age. And in the end, Tesla and Bitcoin may have more in common than you think. It’s natural to attribute Tesla’s recent decline — which is, to be sure, part of a general fall in tech stocks, but an exceptionally steep example — to Elon Musk’s purchase of Twitter and the reputational self-immolation that followed. Indeed, given what we’ve seen of Musk’s behavior, I wouldn’t trust him to feed my cat, let alone run a major corporation. Furthermore, Tesla sales have surely depended at least in part on the perception that Musk himself is a cool guy. Who, aside from MAGA types who probably wouldn’t have bought Teslas anyway, sees him that way now? On the other hand, as someone who has spent much of his professional life in academia, I’m familiar with the phenomenon of people who are genuinely brilliant in some…