Gullibility is the principal cause of bubbles. Investors and the general public get snared by a "beautiful illusion" and throw caution to the wind. Attempts to identify and control bubbles are complicated by the fact that the authorities who might naturally be expected to take action have often...

One of the most popular investment anecdotes relates how Isaac Newton, after cashing in some large early gains, staked his fortune on the success of the South Sea Company of 1720 and lost heavily in the ensuing crash. However, this tale is based on only a few scraps of hard evidence, some of...

Walter Bagehot is remembered today primarily as a proponent of the doctrine of lender of last resort, in which central banks pump money into the economy to ameliorate the damage from a financial crisis. But none of the growing number of publications about him appear to investigate in depth...