This study investigates the effects of oil price shocks on volatility of selected agricultural and metal commodities … functions, the response of volatility of each commodity to an oil price shock differs significantly depending on the underlying … power of oil shocks becomes stronger after the crisis. The different responses of commodities are described in detail by …

commodity futures markets. We ask whether limit events are the result of shocks to fundamental volatility or the result of … temporary volatility induced by the trading of non-commercial market participants (speculators). We find little evidence that …