Numerous factors have been proposed in the literature as explaining the recent commodity price movements. In this paper we focus on one of the most widely discussed factors, the impact of speculative bubbles. We investigate whether commodity prices during the spike of 2007–2008 might have deviated from their intrinsic values based on market fundamentals. To do this, we use a bootstrap methodolo...

Chinese commodity futures markets have become some of the most important derivative markets worldwide. This paper studies the optimal hedge ratios on two popular contracts in China, soybeans and copper, by employing copula functions. Our empirical results suggest that the proposed copula hedging strategy outperforms the simple regression method and dynamic conditional correlation (DCC) method b...

Related commodity markets have two characteristics: (i) they may follow similar volatility processes; and (ii) such markets are frequently represented by a market aggregate or index. Indices are used to represent the performance and time series properties of a group of markets. An important issue regarding the time series properties of an index is how it reflects the time series properties of i...