When the boss of Wall Street’s biggest bank calls a bubble, the world inevitably sits up and listens, albeit with a sense of historically weighted irony: of course an investment bank boss would spot disaster after his industry presided over the last one. Jamie Dimon, the chief executive of JP Morgan, said last week that the ascendancy of the virtual currency bitcoin – which has risen in price from just over $2 in 2011 to more than $4,000 at points this year – reminded him of tulip fever in 17th-century Holland. “It is worse than tulip bulbs,” he said. “It could be at $20,000 before this happens, but it will eventually blow up. I am just shocked that anyone can’t see it for what it is.”
For the usual Guardian critique of bankers is that they wouldn’t know a bubble until it had popped in their face, isn’t it?