This study investigates the relationship between crude oil price and petrol price, as well as their behavior using daily U.S. price series in the period from January 11, 1988 to May 20, 2011. We find that uni-variate GARCH (1,1) is likely the most suitable model to measure the volatility of...

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...

The marketing and sales polices of Iranian crude oil have been revised and changed after the Islamic Revolution of 1979. Production policy that drastically cut back production in order to maintain oil reserves for future generations. In terms of marketing Iranian crude oil, the new revolutionary...