The Asay (1982) option pricing model prices options on futures contracts where the premia are margined. The model assumes that the volatility of the underlying futures contract is constant over the life of the option. However it is an empirical observation in many markets that options on the...

In September 2001 when Pasminco Ltd was placed in voluntary administration, it was the world’s biggest zinc producer with over 10% of global output. This paper examines the hedging strategies that Pasminco had in place in the years leading up to the firm being declared insolvent and...

This paper investigates the price and volume behaviour around the announcement of a type of off-market repurchase (equal access repurchases) in Australia. In contrast to US studies which document abnormal returns of around 8% for off-market repurchases, we find much smaller but significant...