"Oil is an unusual commodity in that individual decisions can have an outsized effect on the market. A Saudi minister's choice to increase production, for instance, might send prices falling, which will therefore affect both oil producers and consumers worldwide. What do the leading oil market...

This article revisits the question of whether crude oil prices have a positive effect on stock the prices of renewable energy firms. To examine this question carefully, we allow for the asymmetric effects of oil price changes in our modeling process, using the nonlinear autoregressive...