The Myth Of the Rational Market

In the 1990s and 2000s, in fact, this myth of the rational market was embraced with a fervor that even Irving Fisher never mustered. Financial markets knew best, the thinking went. They spread risk. They gathered and dispersed information. They regulated global economic affairs with a swiftness and decisiveness that governments couldn't match. And then, as debt markets began to freeze up in 2007, suddenly markets didn't do any of these things. "The whole intellectual edifice collapsed in the summer of last year," former Fed chairman Alan Greenspan said at a congressional hearing in October.

Well, maybe not the whole edifice. For all its flaws, Fisher's economic approach delivered genuinely important insights. He proposed in 1911 that the government issue inflation-linked bonds; in 1997, the Treasury Department finally got around to doing so. If anybody in power in Washington had been willing to follow his advice in 1930 or '31 (which essentially amounted to "Print more money"), the Great Depression might not have been so great. For the past two years, the Federal Reserve has been working right out of the Fisher playbook, and while the results haven't been perfect, they've been a lot better than those of the early 1930s. The economics that Fisher espoused--reborn after his death in 1947--should not be discarded. But clearly, there are some issues with it.

My Comments: Small excerpt from a soon to be released book. Plain and simple, markets aren’t rational, as in the price of assets rarely reflect their real values...

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