Volatility is a measure of the average yearly changes in the market prices. The high volatility of the oil price has been pivotal in the development of international petroleum exchanges. The low volatility of the gold price is the reason why market participants usually view gold as a wealth...

The financial crisis that has been wreaking havoc in markets across the world since August 2007 had its origins in an asset price bubble that interacted with new kinds of financial innovations that masked risk; with companies that failed to follow their own risk management procedures; and with...