A “Fairly Highly Valued” Market: A Fed Chair Opines on Stocks, but should we listen?

In December 1996, Alan Greenspan used the words "irrational exuberance" to describe the stock market at the time, and those words not only became the title of Robert Shiller's cautionary book on market bubbles, but also the beginnings of the belief that central bankers had the wisdom to be market timers and the power to bend the ec...