This paper addresses the problem of mitigating procurement risk that arises from volatile commodity prices by proposing a hedging strategy within a multi-stage time frame. The proposed multi-stage hedging strategy requires a commodity futures position to be correctly initialised and rebalanced...

Literature on S&P 500 index firms shows that there is significant improvement in the performance due to increased scrutiny of media and investors. Recently Platikonova (2008) documents improvement in the disclosure quality for firms following their inclusion in the index. Since, auditors are...

In this paper we study the impact of the Sarbanes-Oxley Act (SOX) on the valuation weights of earnings and earnings components. The analysis seeks evidence that SOX is associated with changes in investors' perception of earnings and accruals quality. Of particular interest in the analysis is the...