Bitcoin Craze More Psychological Than Economical Claims Economist

The latest expert to call Bitcoin a "bubble" is none other than Nobel Prize-winning economist Robert Shiller.

Bitcoin buying behavior is best explained by psychology than economics, he told CNBC.

"I'm interested in bitcoin as a 'sort of bubble'," he said. "That doesn't mean that it would disappear."

In fact, Shiller surmises "it may be with us for a while".

"But to me its interesting as another example of fadish behavior."

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