Choi, Kyongwook; Hammoudeh, Shawkat - In: Energy Policy 38 (2010) 8, pp. 4388-4399
This study supplements previous regime-switching studies on WTI crude oil and finds two possible volatility regimes for the strategic commodity prices of Brent oil, WTI oil, copper, gold and silver, and the S&P 500 index, but with varying high-to-low volatility ratios. The dynamic conditional...