In addition to a myriad of industrial uses, precious metals continue to play an important role in the global financial system; they are increasingly popular as an investment and form part of a well-diversified portfolio in addition to acting as central bank reserves. Understanding how...

We assess whether two classes of bubbles occur in the spot price of gold, rational speculative and periodically bursting bubbles, using gold's' lease rates for the first time in the literature as a measures of its fundamental value. This question is of particular significance as these are the...