It is crucial to model, quantify and understand the variables and dynamics that underlie the well-known extreme behaviour of spot electricity prices in wholesale markets. We explicitly model the conditional volatility and skewness of electricity prices. A GARCH-type model allowing for...

Based on the fact that realized measures of volatility are affected by measurement errors, we introduce a new family of discrete-time stochastic volatility models having two measurement equations relating both observed returns and realized measures to the latent conditional variance. A...

Commodity prices are extremely volatile, and volatility itself fluctuates overtime. This volatility has consequences for both the global economy and commoditymarkets themselves. Using data from 1959 to 2021, we estimate a3-state Markov-switching model to identify expansions and contractions in...

This study investigates the price volatility of metals, using the GARCH and GJR models. First we examine the persistence of volatility and the leverage effect across metal markets taking into account the presence of outliers, and second we estimate the effects of oil price shocks on the price...

This study investigates the price volatility of metals, using the GARCH and GJR models. First we examine the persistence of volatility and the leverage effect across metal markets taking into account the presence of outliers, and second we estimate the effects of oil price shocks on the price...

As the price of crude oil doubled from June 2007 to June 2008, suspicion grew that price was being driven higher by speculation rather than fundamental supply and demand. After having seen the price drop 70 percent from its peak, this explanation may appear more plausible than ever. This paper...

This study investigates the price volatility of metals, using the GARCH and GJR models. First we examine the persistence of volatility and the leverage effect across metal markets taking into account the presence of outliers, and second we estimate the effects of oil price shocks on the price...