Wilmot, Neil A. - In: International Journal of Financial Studies : open … 7 (2019) 2/33, pp. 1-14
metal price series is investigated, as well as time-varying volatility. The results demonstrate that allowing for jumps and … prices. As with many natural resources price series, the arrival of new information can lead to unexpectedly rapid changes … time-varying volatility provides statistically important improvements in the modelling or prices, relative to GBM. These …