In 1901, the Northern Pacific was an unlikely prize: a twice-bankrupt construction of the federal government, it was a two-bit railroad (literally--five years back, its stock traded for twenty-five cents a share). But it was also a key to connecting eastern markets through Chicago to the rising...

This paper sheds new light on the mutual relationship between investor sentiment and excess returns corresponding to the bubble component of stock prices. We propose to use the wavelet concept of the phase angle to determine the lead-lag relation between these variables. The wavelet phase angle...

It is widely agreed that the Nasdaq during the dot-com era 20 years ago was a full-fledged stock market bubble. Recently, the US stock market according to many metrics has become significantly more speculative and overvalued than it was at the dot-com peak 20 years ago. In both instances, a very...